64361057 has 2 divisors, whose sum is σ = 64361058. Its totient is φ = 64361056.

The previous prime is 64361047. The next prime is 64361081. The reversal of 64361057 is 75016346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36048016 + 28313041 = 6004^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 64361057 - 2⁴ = 64361041 is a prime.

It is not a weakly prime, because it can be changed into another prime (64361047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32180528 + 32180529.

It is an arithmetic number, because the mean of its divisors is an integer number (32180529).

Almost surely, 2^64361057 is an apocalyptic number.

It is an amenable number.

64361057 is a deficient number, since it is larger than the sum of its proper divisors (1).

64361057 is an equidigital number, since it uses as much as digits as its factorization.

64361057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 64361057 is about 8022.5343252616. The cubic root of 64361057 is about 400.7507919801.

The spelling of 64361057 in words is "sixty-four million, three hundred sixty-one thousand, fifty-seven".