523497764 has 12 divisors (see below), whose sum is σ = 916340124. Its totient is φ = 261686304.

The previous prime is 523497731. The next prime is 523497787. The reversal of 523497764 is 467794325.

It can be written as a sum of positive squares in 2 ways, for example, as 338265664 + 185232100 = 18392^2 + 13610^2 .

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, 6734 + ... + 33050.

It is an arithmetic number, because the mean of its divisors is an integer number (76361677).

Almost surely, 2^523497764 is an apocalyptic number.

It is an amenable number.

523497764 is a deficient number, since it is larger than the sum of its proper divisors (392842360).

523497764 is a wasteful number, since it uses less digits than its factorization.

523497764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31294 (or 31292 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The square root of 523497764 is about 22880.0735138679. The cubic root of 523497764 is about 805.9441433131.

The spelling of 523497764 in words is "five hundred twenty-three million, four hundred ninety-seven thousand, seven hundred sixty-four".