696674137 has 2 divisors, whose sum is σ = 696674138. Its totient is φ = 696674136.

The previous prime is 696674119. The next prime is 696674171. The reversal of 696674137 is 731476696.

It is a happy number.

696674137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654541056 + 42133081 = 25584^2 + 6491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696674137 is a prime.

It is not a weakly prime, because it can be changed into another prime (696674177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348337068 + 348337069.

It is an arithmetic number, because the mean of its divisors is an integer number (348337069).

Almost surely, 2^696674137 is an apocalyptic number.

It is an amenable number.

696674137 is a deficient number, since it is larger than the sum of its proper divisors (1).

696674137 is an equidigital number, since it uses as much as digits as its factorization.

696674137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 696674137 is about 26394.5853727616. The cubic root of 696674137 is about 886.4955558747.

The spelling of 696674137 in words is "six hundred ninety-six million, six hundred seventy-four thousand, one hundred thirty-seven".