692931137 has 2 divisors, whose sum is σ = 692931138. Its totient is φ = 692931136.

The previous prime is 692931077. The next prime is 692931139. The reversal of 692931137 is 731139296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514200976 + 178730161 = 22676^2 + 13369^2 .

It is a cyclic number.

It is not a de Polignac number, because 692931137 - 2²⁰ = 691882561 is a prime.

It is a super-2 number, since 2×692931137² = 960307121248225538, which contains 22 as substring.

Together with 692931139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 692931094 and 692931103.

It is not a weakly prime, because it can be changed into another prime (692931139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346465568 + 346465569.

It is an arithmetic number, because the mean of its divisors is an integer number (346465569).

Almost surely, 2^692931137 is an apocalyptic number.

It is an amenable number.

692931137 is a deficient number, since it is larger than the sum of its proper divisors (1).

692931137 is an equidigital number, since it uses as much as digits as its factorization.

692931137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 692931137 is about 26323.5851851529. The cubic root of 692931137 is about 884.9050881862.

The spelling of 692931137 in words is "six hundred ninety-two million, nine hundred thirty-one thousand, one hundred thirty-seven".