957520961 has 2 divisors, whose sum is σ = 957520962. Its totient is φ = 957520960.

The previous prime is 957520957. The next prime is 957520987. The reversal of 957520961 is 169025759.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861774736 + 95746225 = 29356^2 + 9785^2 .

It is a cyclic number.

It is not a de Polignac number, because 957520961 - 2² = 957520957 is a prime.

It is not a weakly prime, because it can be changed into another prime (957520931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478760480 + 478760481.

It is an arithmetic number, because the mean of its divisors is an integer number (478760481).

Almost surely, 2^957520961 is an apocalyptic number.

It is an amenable number.

957520961 is a deficient number, since it is larger than the sum of its proper divisors (1).

957520961 is an equidigital number, since it uses as much as digits as its factorization.

957520961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 957520961 is about 30943.8355896615. The cubic root of 957520961 is about 985.6349538809.

The spelling of 957520961 in words is "nine hundred fifty-seven million, five hundred twenty thousand, nine hundred sixty-one".