956608561 has 4 divisors (see below), whose sum is σ = 1006956400. Its totient is φ = 906260724.

The previous prime is 956608511. The next prime is 956608567. The reversal of 956608561 is 165806659.

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 956608561 - 2¹³ = 956600369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (956608567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25173891 + ... + 25173928.

It is an arithmetic number, because the mean of its divisors is an integer number (251739100).

Almost surely, 2^956608561 is an apocalyptic number.

It is an amenable number.

956608561 is a deficient number, since it is larger than the sum of its proper divisors (50347839).

956608561 is a wasteful number, since it uses less digits than its factorization.

956608561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50347838.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 956608561 is about 30929.0892365100. The cubic root of 956608561 is about 985.3217913293.

The spelling of 956608561 in words is "nine hundred fifty-six million, six hundred eight thousand, five hundred sixty-one".