652571980 has 12 divisors (see below), whose sum is σ = 1370401200. Its totient is φ = 261028784.

The previous prime is 652571971. The next prime is 652571981. The reversal of 652571980 is 89175256.

It is a super-2 number, since 2×652571980² = 851700378162240800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (652571981) 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, 16314280 + ... + 16314319.

It is an arithmetic number, because the mean of its divisors is an integer number (114200100).

Almost surely, 2^652571980 is an apocalyptic number.

It is an amenable number.

652571980 is an abundant number, since it is smaller than the sum of its proper divisors (717829220).

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

652571980 is a wasteful number, since it uses less digits than its factorization.

652571980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32628608 (or 32628606 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 652571980 is about 25545.4884470820. The cubic root of 652571980 is about 867.3801399621.

The spelling of 652571980 in words is "six hundred fifty-two million, five hundred seventy-one thousand, nine hundred eighty".