9561957 has 8 divisors (see below), whose sum is σ = 12850176. Its totient is φ = 6324192.

The previous prime is 9561943. The next prime is 9561961. The reversal of 9561957 is 7591659.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9561957 - 2⁴ = 9561941 is a prime.

9561957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9561557) 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 7 ways as a sum of consecutive naturals, for example, 12168 + ... + 12929.

It is an arithmetic number, because the mean of its divisors is an integer number (1606272).

Almost surely, 2^9561957 is an apocalyptic number.

It is an amenable number.

9561957 is a deficient number, since it is larger than the sum of its proper divisors (3288219).

9561957 is a wasteful number, since it uses less digits than its factorization.

9561957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25227.

The product of its digits is 85050, while the sum is 42.

The square root of 9561957 is about 3092.2414200706. The cubic root of 9561957 is about 212.2506010657.

The spelling of 9561957 in words is "nine million, five hundred sixty-one thousand, nine hundred fifty-seven".