11522401 has 4 divisors (see below), whose sum is σ = 12569904. Its totient is φ = 10474900.

The previous prime is 11522363. The next prime is 11522411. The reversal of 11522401 is 10422511.

11522401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10422511 = 11 ⋅947501.

It is a cyclic number.

It is not a de Polignac number, because 11522401 - 2¹⁷ = 11391329 is a prime.

It is a pancake number, because a pancake can be divided into 11522401 parts by 4800 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11522411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523735 + ... + 523756.

It is an arithmetic number, because the mean of its divisors is an integer number (3142476).

Almost surely, 2^11522401 is an apocalyptic number.

11522401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11522401 is a deficient number, since it is larger than the sum of its proper divisors (1047503).

11522401 is a wasteful number, since it uses less digits than its factorization.

11522401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047502.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11522401 is about 3394.4662319723. The cubic root of 11522401 is about 225.8643363103.

Adding to 11522401 its reverse (10422511), we get a palindrome (21944912).

It can be divided in two parts, 1152 and 2401, that added together give a palindrome (3553).

The spelling of 11522401 in words is "eleven million, five hundred twenty-two thousand, four hundred one".