10956521 has 4 divisors (see below), whose sum is σ = 11533200. Its totient is φ = 10379844.

The previous prime is 10956509. The next prime is 10956527. The reversal of 10956521 is 12565901.

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: 12565901 = 1669 ⋅7529.

It is a cyclic number.

It is not a de Polignac number, because 10956521 - 2⁶ = 10956457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10956527) 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, 288311 + ... + 288348.

It is an arithmetic number, because the mean of its divisors is an integer number (2883300).

Almost surely, 2^10956521 is an apocalyptic number.

It is an amenable number.

10956521 is a deficient number, since it is larger than the sum of its proper divisors (576679).

10956521 is an equidigital number, since it uses as much as digits as its factorization.

10956521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576678.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 10956521 is about 3310.0635945552. The cubic root of 10956521 is about 222.1046026545.

The spelling of 10956521 in words is "ten million, nine hundred fifty-six thousand, five hundred twenty-one".