11531461 has 4 divisors (see below), whose sum is σ = 12138400. Its totient is φ = 10924524.

The previous prime is 11531459. The next prime is 11531467. The reversal of 11531461 is 16413511.

11531461 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: 16413511 = 19 ⋅863869.

It is a cyclic number.

It is not a de Polignac number, because 11531461 - 2¹ = 11531459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303441 + ... + 303478.

It is an arithmetic number, because the mean of its divisors is an integer number (3034600).

Almost surely, 2^11531461 is an apocalyptic number.

It is an amenable number.

11531461 is a deficient number, since it is larger than the sum of its proper divisors (606939).

11531461 is an equidigital number, since it uses as much as digits as its factorization.

11531461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606938.

The product of its digits is 360, while the sum is 22.

The square root of 11531461 is about 3395.8004947287. The cubic root of 11531461 is about 225.9235194262.

Adding to 11531461 its reverse (16413511), we get a palindrome (27944972).

The spelling of 11531461 in words is "eleven million, five hundred thirty-one thousand, four hundred sixty-one".