36521401 has 16 divisors (see below), whose sum is σ = 45849600. Its totient is φ = 28364688.

The previous prime is 36521383. The next prime is 36521437. The reversal of 36521401 is 10412563.

36521401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36521401 - 2¹⁵ = 36488633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36521101) 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 15 ways as a sum of consecutive naturals, for example, 2911 + ... + 9028.

It is an arithmetic number, because the mean of its divisors is an integer number (2865600).

Almost surely, 2^36521401 is an apocalyptic number.

It is an amenable number.

36521401 is a deficient number, since it is larger than the sum of its proper divisors (9328199).

36521401 is a wasteful number, since it uses less digits than its factorization.

36521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11988.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 36521401 is about 6043.2938866151. The cubic root of 36521401 is about 331.7791904029.

Adding to 36521401 its reverse (10412563), we get a palindrome (46933964).

The spelling of 36521401 in words is "thirty-six million, five hundred twenty-one thousand, four hundred one".