957649403 has 2 divisors, whose sum is σ = 957649404. Its totient is φ = 957649402.

The previous prime is 957649387. The next prime is 957649411. The reversal of 957649403 is 304946759.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 957649403 - 2⁴ = 957649387 is a prime.

It is not a weakly prime, because it can be changed into another prime (957649493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478824701 + 478824702.

It is an arithmetic number, because the mean of its divisors is an integer number (478824702).

Almost surely, 2^957649403 is an apocalyptic number.

957649403 is a deficient number, since it is larger than the sum of its proper divisors (1).

957649403 is an equidigital number, since it uses as much as digits as its factorization.

957649403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 957649403 is about 30945.9109253549. The cubic root of 957649403 is about 985.6790229821.

The spelling of 957649403 in words is "nine hundred fifty-seven million, six hundred forty-nine thousand, four hundred three".