652644231 has 16 divisors (see below), whose sum is σ = 877409280. Its totient is φ = 431503520.

The previous prime is 652644211. The next prime is 652644259. The reversal of 652644231 is 132446256.

It is a cyclic number.

It is not a de Polignac number, because 652644231 - 2⁷ = 652644103 is a prime.

It is a super-2 number, since 2×652644231² = 851888984515162722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652644192 and 652644201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652644211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186841 + ... + 190301.

It is an arithmetic number, because the mean of its divisors is an integer number (54838080).

Almost surely, 2^652644231 is an apocalyptic number.

652644231 is a deficient number, since it is larger than the sum of its proper divisors (224765049).

652644231 is a wasteful number, since it uses less digits than its factorization.

652644231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its digits is 34560, while the sum is 33.

The square root of 652644231 is about 25546.9025715448. The cubic root of 652644231 is about 867.4121501064.

The spelling of 652644231 in words is "six hundred fifty-two million, six hundred forty-four thousand, two hundred thirty-one".