696137231 has 2 divisors, whose sum is σ = 696137232. Its totient is φ = 696137230.

The previous prime is 696137213. The next prime is 696137293. The reversal of 696137231 is 132731696.

It is a happy number.

Together with previous prime (696137213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 696137231 - 2¹⁴ = 696120847 is a prime.

It is a super-2 number, since 2×696137231² = 969214088768694722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696137201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348068615 + 348068616.

It is an arithmetic number, because the mean of its divisors is an integer number (348068616).

Almost surely, 2^696137231 is an apocalyptic number.

696137231 is a deficient number, since it is larger than the sum of its proper divisors (1).

696137231 is an equidigital number, since it uses as much as digits as its factorization.

696137231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 696137231 is about 26384.4126521702. The cubic root of 696137231 is about 886.2677654437.

The spelling of 696137231 in words is "six hundred ninety-six million, one hundred thirty-seven thousand, two hundred thirty-one".