653997260 has 48 divisors (see below), whose sum is σ = 1571981376. Its totient is φ = 223886592.

The previous prime is 653997221. The next prime is 653997269. The reversal of 653997260 is 62799356.

It is not an unprimeable number, because it can be changed into a prime (653997269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99434 + ... + 105806.

It is an arithmetic number, because the mean of its divisors is an integer number (32749612).

Almost surely, 2^653997260 is an apocalyptic number.

It is an amenable number.

653997260 is an abundant number, since it is smaller than the sum of its proper divisors (917984116).

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

653997260 is a wasteful number, since it uses less digits than its factorization.

653997260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 653997260 is about 25573.3701337935. The cubic root of 653997260 is about 868.0111613450.

The spelling of 653997260 in words is "six hundred fifty-three million, nine hundred ninety-seven thousand, two hundred sixty".