652810257 has 12 divisors (see below), whose sum is σ = 1028670864. Its totient is φ = 395642520.

The previous prime is 652810253. The next prime is 652810261. The reversal of 652810257 is 752018256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (652810253) and next prime (652810261).

It is not a de Polignac number, because 652810257 - 2² = 652810253 is a prime.

It is a super-2 number, since 2×652810257² = 852322463288812098, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) 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 (652810253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3296923 + ... + 3297120.

It is an arithmetic number, because the mean of its divisors is an integer number (85722572).

Almost surely, 2^652810257 is an apocalyptic number.

It is an amenable number.

652810257 is a deficient number, since it is larger than the sum of its proper divisors (375860607).

652810257 is a wasteful number, since it uses less digits than its factorization.

652810257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594060 (or 6594057 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 652810257 is about 25550.1517999404. The cubic root of 652810257 is about 867.4856974557.

The spelling of 652810257 in words is "six hundred fifty-two million, eight hundred ten thousand, two hundred fifty-seven".