652523251 has 16 divisors (see below), whose sum is σ = 700128000. Its totient is φ = 606326688.

The previous prime is 652523219. The next prime is 652523269. The reversal of 652523251 is 152325256.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 652523251 - 2⁵ = 652523219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652523051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333825 + ... + 335773.

It is an arithmetic number, because the mean of its divisors is an integer number (43758000).

Almost surely, 2^652523251 is an apocalyptic number.

652523251 is a deficient number, since it is larger than the sum of its proper divisors (47604749).

652523251 is a wasteful number, since it uses less digits than its factorization.

652523251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its digits is 18000, while the sum is 31.

The square root of 652523251 is about 25544.5346600794. The cubic root of 652523251 is about 867.3585496905.

The spelling of 652523251 in words is "six hundred fifty-two million, five hundred twenty-three thousand, two hundred fifty-one".