697043052 has 36 divisors (see below), whose sum is σ = 1763319376. Its totient is φ = 232169760.

The previous prime is 697043023. The next prime is 697043057. The reversal of 697043052 is 250340796.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 697042998 and 697043016.

It is not an unprimeable number, because it can be changed into a prime (697043057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45402 + ... + 58782.

Almost surely, 2^697043052 is an apocalyptic number.

It is an amenable number.

697043052 is an abundant number, since it is smaller than the sum of its proper divisors (1066276324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697043052 is a wasteful number, since it uses less digits than its factorization.

697043052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838 (or 14833 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 697043052 is about 26401.5729076887. The cubic root of 697043052 is about 886.6520057751.

The spelling of 697043052 in words is "six hundred ninety-seven million, forty-three thousand, fifty-two".