64530526 has 16 divisors (see below), whose sum is σ = 97797600. Its totient is φ = 31933440.

The previous prime is 64530493. The next prime is 64530533. The reversal of 64530526 is 62503546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111550 + ... + 112126.

It is an arithmetic number, because the mean of its divisors is an integer number (6112350).

Almost surely, 2^64530526 is an apocalyptic number.

64530526 is a deficient number, since it is larger than the sum of its proper divisors (33267074).

64530526 is a wasteful number, since it uses less digits than its factorization.

64530526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 64530526 is about 8033.0894430474. The cubic root of 64530526 is about 401.1022224743.

It can be divided in two parts, 64530 and 526, that added together give a palindrome (65056).

The spelling of 64530526 in words is "sixty-four million, five hundred thirty thousand, five hundred twenty-six".