69513125 has 20 divisors (see below), whose sum is σ = 94769664. Its totient is φ = 50550000.

The previous prime is 69513109. The next prime is 69513137. The reversal of 69513125 is 52131596.

It is not a de Polignac number, because 69513125 - 2⁴ = 69513109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69513091 and 69513100.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1820 + ... + 11930.

Almost surely, 2^69513125 is an apocalyptic number.

It is an amenable number.

69513125 is a deficient number, since it is larger than the sum of its proper divisors (25256539).

69513125 is a wasteful number, since it uses less digits than its factorization.

69513125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142 (or 10127 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 69513125 is about 8337.4531482941. The cubic root of 69513125 is about 411.1708057272.

The spelling of 69513125 in words is "sixty-nine million, five hundred thirteen thousand, one hundred twenty-five".