64595057 has 2 divisors, whose sum is σ = 64595058. Its totient is φ = 64595056.

The previous prime is 64595023. The next prime is 64595071. The reversal of 64595057 is 75059546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 4857616 = 7729^2 + 2204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64595057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64595077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32297528 + 32297529.

It is an arithmetic number, because the mean of its divisors is an integer number (32297529).

Almost surely, 2^64595057 is an apocalyptic number.

It is an amenable number.

64595057 is a deficient number, since it is larger than the sum of its proper divisors (1).

64595057 is an equidigital number, since it uses as much as digits as its factorization.

64595057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 64595057 is about 8037.1050136228. The cubic root of 64595057 is about 401.2358796544.

The spelling of 64595057 in words is "sixty-four million, five hundred ninety-five thousand, fifty-seven".