64530125 has 32 divisors (see below), whose sum is σ = 89227008. Its totient is φ = 46200000.

The previous prime is 64530091. The next prime is 64530149. The reversal of 64530125 is 52103546.

It is not a de Polignac number, because 64530125 - 2⁸ = 64529869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64530094 and 64530103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97295 + ... + 97955.

It is an arithmetic number, because the mean of its divisors is an integer number (2788344).

Almost surely, 2^64530125 is an apocalyptic number.

It is an amenable number.

64530125 is a deficient number, since it is larger than the sum of its proper divisors (24696883).

64530125 is a wasteful number, since it uses less digits than its factorization.

64530125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 64530125 is about 8033.0644837447. The cubic root of 64530125 is about 401.1013916410.

The spelling of 64530125 in words is "sixty-four million, five hundred thirty thousand, one hundred twenty-five".