652860261 has 24 divisors (see below), whose sum is σ = 980476224. Its totient is φ = 418271040.

The previous prime is 652860259. The next prime is 652860269. The reversal of 652860261 is 162068256.

It is not a de Polignac number, because 652860261 - 2¹ = 652860259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652860269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11520 + ... + 37926.

It is an arithmetic number, because the mean of its divisors is an integer number (40853176).

Almost surely, 2^652860261 is an apocalyptic number.

It is an amenable number.

652860261 is a deficient number, since it is larger than the sum of its proper divisors (327615963).

652860261 is a wasteful number, since it uses less digits than its factorization.

652860261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26521 (or 26518 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 652860261 is about 25551.1303272478. The cubic root of 652860261 is about 867.5078461310.

The spelling of 652860261 in words is "six hundred fifty-two million, eight hundred sixty thousand, two hundred sixty-one".