64595957 has 2 divisors, whose sum is σ = 64595958. Its totient is φ = 64595956.

The previous prime is 64595939. The next prime is 64595959. The reversal of 64595957 is 75959546.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60855601 + 3740356 = 7801^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 64595957 - 2⁶ = 64595893 is a prime.

Together with 64595959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64595959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32297978 + 32297979.

It is an arithmetic number, because the mean of its divisors is an integer number (32297979).

Almost surely, 2^64595957 is an apocalyptic number.

It is an amenable number.

64595957 is a deficient number, since it is larger than the sum of its proper divisors (1).

64595957 is an equidigital number, since it uses as much as digits as its factorization.

64595957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 50.

The square root of 64595957 is about 8037.1610037376. The cubic root of 64595957 is about 401.2377431128.

The spelling of 64595957 in words is "sixty-four million, five hundred ninety-five thousand, nine hundred fifty-seven".