964161257 has 2 divisors, whose sum is σ = 964161258. Its totient is φ = 964161256.

The previous prime is 964161241. The next prime is 964161259. The reversal of 964161257 is 752161469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930799081 + 33362176 = 30509^2 + 5776^2 .

It is a cyclic number.

It is not a de Polignac number, because 964161257 - 2⁴ = 964161241 is a prime.

Together with 964161259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (964161259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482080628 + 482080629.

It is an arithmetic number, because the mean of its divisors is an integer number (482080629).

Almost surely, 2^964161257 is an apocalyptic number.

It is an amenable number.

964161257 is a deficient number, since it is larger than the sum of its proper divisors (1).

964161257 is an equidigital number, since it uses as much as digits as its factorization.

964161257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 964161257 is about 31050.9461530563. The cubic root of 964161257 is about 987.9081283033.

The spelling of 964161257 in words is "nine hundred sixty-four million, one hundred sixty-one thousand, two hundred fifty-seven".