64562506 has 8 divisors (see below), whose sum is σ = 96971364. Its totient is φ = 32238720.

The previous prime is 64562503. The next prime is 64562527. The reversal of 64562506 is 60526546.

64562506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40640625 + 23921881 = 6375^2 + 4891^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64562503) 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 3 ways as a sum of consecutive naturals, for example, 19335 + ... + 22426.

Almost surely, 2^64562506 is an apocalyptic number.

64562506 is a deficient number, since it is larger than the sum of its proper divisors (32408858).

64562506 is a wasteful number, since it uses less digits than its factorization.

64562506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42536.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 64562506 is about 8035.0797133569. The cubic root of 64562506 is about 401.1684708660.

The spelling of 64562506 in words is "sixty-four million, five hundred sixty-two thousand, five hundred six".