69925631 has 2 divisors, whose sum is σ = 69925632. Its totient is φ = 69925630.

The previous prime is 69925619. The next prime is 69925657. The reversal of 69925631 is 13652996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69925631 - 2²⁶ = 2816767 is a prime.

It is a super-2 number, since 2×69925631² = 9779187741496322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69925601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34962815 + 34962816.

It is an arithmetic number, because the mean of its divisors is an integer number (34962816).

Almost surely, 2^69925631 is an apocalyptic number.

69925631 is a deficient number, since it is larger than the sum of its proper divisors (1).

69925631 is an equidigital number, since it uses as much as digits as its factorization.

69925631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 69925631 is about 8362.1546864430. The cubic root of 69925631 is about 411.9825278511.

The spelling of 69925631 in words is "sixty-nine million, nine hundred twenty-five thousand, six hundred thirty-one".