697097252 has 36 divisors (see below), whose sum is σ = 1280009808. Its totient is φ = 332001600.

The previous prime is 697097249. The next prime is 697097333. The reversal of 697097252 is 252790796.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 697097197 and 697097206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287927 + ... + 290337.

It is an arithmetic number, because the mean of its divisors is an integer number (35555828).

Almost surely, 2^697097252 is an apocalyptic number.

It is an amenable number.

697097252 is a deficient number, since it is larger than the sum of its proper divisors (582912556).

697097252 is a wasteful number, since it uses less digits than its factorization.

697097252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 697097252 is about 26402.5993417315. The cubic root of 697097252 is about 886.6749863228.

The spelling of 697097252 in words is "six hundred ninety-seven million, ninety-seven thousand, two hundred fifty-two".