64562457 has 8 divisors (see below), whose sum is σ = 86174784. Its totient is φ = 42995888.

The previous prime is 64562431. The next prime is 64562467. The reversal of 64562457 is 75426546.

64562457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64562457 - 2²³ = 56173849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64562467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998 + ... + 13895.

It is an arithmetic number, because the mean of its divisors is an integer number (10771848).

Almost surely, 2^64562457 is an apocalyptic number.

It is an amenable number.

64562457 is a deficient number, since it is larger than the sum of its proper divisors (21612327).

64562457 is a wasteful number, since it uses less digits than its factorization.

64562457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22879.

The product of its digits is 201600, while the sum is 39.

The square root of 64562457 is about 8035.0766642267. The cubic root of 64562457 is about 401.1683693764.

The spelling of 64562457 in words is "sixty-four million, five hundred sixty-two thousand, four hundred fifty-seven".