652469236 has 6 divisors (see below), whose sum is σ = 1141821170. Its totient is φ = 326234616.

The previous prime is 652469227. The next prime is 652469281. The reversal of 652469236 is 632964256.

It can be written as a sum of positive squares in only one way, i.e., 545222500 + 107246736 = 23350^2 + 10356^2 .

It is a super-2 number, since 2×652469236² = 851432207852847392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652469192 and 652469201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81558651 + ... + 81558658.

Almost surely, 2^652469236 is an apocalyptic number.

It is an amenable number.

652469236 is a deficient number, since it is larger than the sum of its proper divisors (489351934).

652469236 is a wasteful number, since it uses less digits than its factorization.

652469236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163117313 (or 163117311 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 652469236 is about 25543.4773670305. The cubic root of 652469236 is about 867.3346161041.

The spelling of 652469236 in words is "six hundred fifty-two million, four hundred sixty-nine thousand, two hundred thirty-six".