69125913 has 8 divisors (see below), whose sum is σ = 102408800. Its totient is φ = 46083924.

The previous prime is 69125911. The next prime is 69125929. The reversal of 69125913 is 31952196.

69125913 is a `hidden beast` number, since 69 + 1 + 2 + 591 + 3 = 666.

It is not a de Polignac number, because 69125913 - 2¹ = 69125911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69125911) 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, 1280083 + ... + 1280136.

It is an arithmetic number, because the mean of its divisors is an integer number (12801100).

Almost surely, 2^69125913 is an apocalyptic number.

It is an amenable number.

69125913 is a deficient number, since it is larger than the sum of its proper divisors (33282887).

69125913 is a wasteful number, since it uses less digits than its factorization.

69125913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560228 (or 2560222 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 69125913 is about 8314.1994804070. The cubic root of 69125913 is about 410.4059295166.

The spelling of 69125913 in words is "sixty-nine million, one hundred twenty-five thousand, nine hundred thirteen".