64102457 has 2 divisors, whose sum is σ = 64102458. Its totient is φ = 64102456.

The previous prime is 64102411. The next prime is 64102459. The reversal of 64102457 is 75420146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52940176 + 11162281 = 7276^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 64102457 - 2¹² = 64098361 is a prime.

Together with 64102459, 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 (64102459) 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, 32051228 + 32051229.

It is an arithmetic number, because the mean of its divisors is an integer number (32051229).

Almost surely, 2^64102457 is an apocalyptic number.

It is an amenable number.

64102457 is a deficient number, since it is larger than the sum of its proper divisors (1).

64102457 is an equidigital number, since it uses as much as digits as its factorization.

64102457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64102457 is about 8006.4010016986. The cubic root of 64102457 is about 400.2133382801.

The spelling of 64102457 in words is "sixty-four million, one hundred two thousand, four hundred fifty-seven".