652868651 has 2 divisors, whose sum is σ = 652868652. Its totient is φ = 652868650.

The previous prime is 652868647. The next prime is 652868767. The reversal of 652868651 is 156868256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652868651 - 2² = 652868647 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 652868596 and 652868605.

It is not a weakly prime, because it can be changed into another prime (652868641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326434325 + 326434326.

It is an arithmetic number, because the mean of its divisors is an integer number (326434326).

Almost surely, 2^652868651 is an apocalyptic number.

652868651 is a deficient number, since it is larger than the sum of its proper divisors (1).

652868651 is an equidigital number, since it uses as much as digits as its factorization.

652868651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 652868651 is about 25551.2945073239. The cubic root of 652868651 is about 867.5115622706.

It can be divided in two parts, 65286 and 8651, that added together give a palindrome (73937).

The spelling of 652868651 in words is "six hundred fifty-two million, eight hundred sixty-eight thousand, six hundred fifty-one".