697489252 has 12 divisors (see below), whose sum is σ = 1227426480. Its totient is φ = 346795976.

The previous prime is 697489217. The next prime is 697489307. The reversal of 697489252 is 252984796.

697489252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 697489252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486358 + ... + 487789.

It is an arithmetic number, because the mean of its divisors is an integer number (102285540).

Almost surely, 2^697489252 is an apocalyptic number.

It is an amenable number.

697489252 is a deficient number, since it is larger than the sum of its proper divisors (529937228).

697489252 is a wasteful number, since it uses less digits than its factorization.

697489252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974330 (or 974328 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 697489252 is about 26410.0218099115. The cubic root of 697489252 is about 886.8411570461.

The spelling of 697489252 in words is "six hundred ninety-seven million, four hundred eighty-nine thousand, two hundred fifty-two".