64359457 has 2 divisors, whose sum is σ = 64359458. Its totient is φ = 64359456.

The previous prime is 64359443. The next prime is 64359461. The reversal of 64359457 is 75495346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55591936 + 8767521 = 7456^2 + 2961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64359457 is a prime.

It is not a weakly prime, because it can be changed into another prime (64351457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32179728 + 32179729.

It is an arithmetic number, because the mean of its divisors is an integer number (32179729).

Almost surely, 2^64359457 is an apocalyptic number.

It is an amenable number.

64359457 is a deficient number, since it is larger than the sum of its proper divisors (1).

64359457 is an equidigital number, since it uses as much as digits as its factorization.

64359457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 64359457 is about 8022.4346055297. The cubic root of 64359457 is about 400.7474710974.

The spelling of 64359457 in words is "sixty-four million, three hundred fifty-nine thousand, four hundred fifty-seven".