696886537 has 2 divisors, whose sum is σ = 696886538. Its totient is φ = 696886536.

The previous prime is 696886507. The next prime is 696886573. The reversal of 696886537 is 735688696.

Together with next prime (696886573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398840841 + 298045696 = 19971^2 + 17264^2 .

It is a cyclic number.

It is not a de Polignac number, because 696886537 - 2⁷ = 696886409 is a prime.

It is not a weakly prime, because it can be changed into another prime (696886507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348443268 + 348443269.

It is an arithmetic number, because the mean of its divisors is an integer number (348443269).

Almost surely, 2^696886537 is an apocalyptic number.

It is an amenable number.

696886537 is a deficient number, since it is larger than the sum of its proper divisors (1).

696886537 is an equidigital number, since it uses as much as digits as its factorization.

696886537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 58.

The square root of 696886537 is about 26398.6086186375. The cubic root of 696886537 is about 886.5856374562.

The spelling of 696886537 in words is "six hundred ninety-six million, eight hundred eighty-six thousand, five hundred thirty-seven".