652798775 has 12 divisors (see below), whose sum is σ = 835583424. Its totient is φ = 505392000.

The previous prime is 652798771. The next prime is 652798799. The reversal of 652798775 is 577897256.

It is not a de Polignac number, because 652798775 - 2² = 652798771 is a prime.

It is a super-2 number, since 2×652798775² = 852292481283001250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 652798775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652798771) 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, 420386 + ... + 421935.

It is an arithmetic number, because the mean of its divisors is an integer number (69631952).

Almost surely, 2^652798775 is an apocalyptic number.

652798775 is a deficient number, since it is larger than the sum of its proper divisors (182784649).

652798775 is a wasteful number, since it uses less digits than its factorization.

652798775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842362 (or 842357 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 56.

The square root of 652798775 is about 25549.9271036142. The cubic root of 652798775 is about 867.4806114811.

The spelling of 652798775 in words is "six hundred fifty-two million, seven hundred ninety-eight thousand, seven hundred seventy-five".