15056961 has 4 divisors (see below), whose sum is σ = 20075952. Its totient is φ = 10037972.

The previous prime is 15056959. The next prime is 15056971. The reversal of 15056961 is 16965051.

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.

It is a cyclic number.

It is not a de Polignac number, because 15056961 - 2¹ = 15056959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15056971) 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, 2509491 + ... + 2509496.

It is an arithmetic number, because the mean of its divisors is an integer number (5018988).

Almost surely, 2^15056961 is an apocalyptic number.

It is an amenable number.

15056961 is a deficient number, since it is larger than the sum of its proper divisors (5018991).

15056961 is an equidigital number, since it uses as much as digits as its factorization.

15056961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018990.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 15056961 is about 3880.3300117387. The cubic root of 15056961 is about 246.9329862402.

The spelling of 15056961 in words is "fifteen million, fifty-six thousand, nine hundred sixty-one".