696567231 has 12 divisors (see below), whose sum is σ = 1065338352. Its totient is φ = 437061696.

The previous prime is 696567229. The next prime is 696567233. The reversal of 696567231 is 132765696.

696567231 is a `hidden beast` number, since 69 + 6 + 567 + 23 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (696567229) and next prime (696567233).

It is not a de Polignac number, because 696567231 - 2¹ = 696567229 is a prime.

It is a super-2 number, since 2×696567231² = 970411814606014722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696567233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2276211 + ... + 2276516.

It is an arithmetic number, because the mean of its divisors is an integer number (88778196).

Almost surely, 2^696567231 is an apocalyptic number.

696567231 is a deficient number, since it is larger than the sum of its proper divisors (368771121).

696567231 is a wasteful number, since it uses less digits than its factorization.

696567231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552750 (or 4552747 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 696567231 is about 26392.5601448590. The cubic root of 696567231 is about 886.4502087333.

The spelling of 696567231 in words is "six hundred ninety-six million, five hundred sixty-seven thousand, two hundred thirty-one".