652843769 has 2 divisors, whose sum is σ = 652843770. Its totient is φ = 652843768.

The previous prime is 652843733. The next prime is 652843783. The reversal of 652843769 is 967348256.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630612544 + 22231225 = 25112^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 652843769 - 2²⁸ = 384408313 is a prime.

It is a super-2 number, since 2×652843769² = 852409973444250722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (652843069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326421884 + 326421885.

It is an arithmetic number, because the mean of its divisors is an integer number (326421885).

Almost surely, 2^652843769 is an apocalyptic number.

It is an amenable number.

652843769 is a deficient number, since it is larger than the sum of its proper divisors (1).

652843769 is an equidigital number, since it uses as much as digits as its factorization.

652843769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The square root of 652843769 is about 25550.8075997609. The cubic root of 652843769 is about 867.5005413213.

The spelling of 652843769 in words is "six hundred fifty-two million, eight hundred forty-three thousand, seven hundred sixty-nine".