653732812 has 12 divisors (see below), whose sum is σ = 1159704616. Its totient is φ = 322388640.

The previous prime is 653732789. The next prime is 653732813. The reversal of 653732812 is 218237356.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (653732813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119114 + ... + 1119697.

Almost surely, 2^653732812 is an apocalyptic number.

It is an amenable number.

653732812 is a deficient number, since it is larger than the sum of its proper divisors (505971804).

653732812 is a wasteful number, since it uses less digits than its factorization.

653732812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238888 (or 2238886 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 653732812 is about 25568.1992326405. The cubic root of 653732812 is about 867.8941502729.

The spelling of 653732812 in words is "six hundred fifty-three million, seven hundred thirty-two thousand, eight hundred twelve".