652897971 has 36 divisors (see below), whose sum is σ = 1097610696. Its totient is φ = 372408960.

The previous prime is 652897961. The next prime is 652898027. The reversal of 652897971 is 179798256.

It is not a de Polignac number, because 652897971 - 2¹⁷ = 652766899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652897961) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 880 + ... + 36146.

It is an arithmetic number, because the mean of its divisors is an integer number (30489186).

Almost surely, 2^652897971 is an apocalyptic number.

652897971 is a deficient number, since it is larger than the sum of its proper divisors (444712725).

652897971 is a wasteful number, since it uses less digits than its factorization.

652897971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35312 (or 35298 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 652897971 is about 25551.8682487211. The cubic root of 652897971 is about 867.5245485777.

The spelling of 652897971 in words is "six hundred fifty-two million, eight hundred ninety-seven thousand, nine hundred seventy-one".