523997692 has 6 divisors (see below), whose sum is σ = 916995968. Its totient is φ = 261998844.

The previous prime is 523997659. The next prime is 523997693. The reversal of 523997692 is 296799325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523997693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65499708 + ... + 65499715.

Almost surely, 2^523997692 is an apocalyptic number.

It is an amenable number.

523997692 is a deficient number, since it is larger than the sum of its proper divisors (392998276).

523997692 is a wasteful number, since it uses less digits than its factorization.

523997692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130999427 (or 130999425 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The square root of 523997692 is about 22890.9958717396. The cubic root of 523997692 is about 806.2006142296.

The spelling of 523997692 in words is "five hundred twenty-three million, nine hundred ninety-seven thousand, six hundred ninety-two".