653130028 has 12 divisors (see below), whose sum is σ = 1143539320. Its totient is φ = 326404512.

The previous prime is 653130013. The next prime is 653130029. The reversal of 653130028 is 820031356.

It is a junction number, because it is equal to n+sod(n) for n = 653129978 and 653130005.

It is not an unprimeable number, because it can be changed into a prime (653130029) 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, 30726 + ... + 47437.

Almost surely, 2^653130028 is an apocalyptic number.

It is an amenable number.

653130028 is a deficient number, since it is larger than the sum of its proper divisors (490409292).

653130028 is a wasteful number, since it uses less digits than its factorization.

653130028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80256 (or 80254 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 653130028 is about 25556.4087461443. The cubic root of 653130028 is about 867.6273167012.

The spelling of 653130028 in words is "six hundred fifty-three million, one hundred thirty thousand, twenty-eight".