652292681 has 2 divisors, whose sum is σ = 652292682. Its totient is φ = 652292680.

The previous prime is 652292639. The next prime is 652292689. The reversal of 652292681 is 186292256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559748281 + 92544400 = 23659^2 + 9620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652292681 is a prime.

It is a super-2 number, since 2×652292681² = 850971483372335522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652292689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326146340 + 326146341.

It is an arithmetic number, because the mean of its divisors is an integer number (326146341).

Almost surely, 2^652292681 is an apocalyptic number.

It is an amenable number.

652292681 is a deficient number, since it is larger than the sum of its proper divisors (1).

652292681 is an equidigital number, since it uses as much as digits as its factorization.

652292681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 652292681 is about 25540.0211628730. The cubic root of 652292681 is about 867.2563768712.

The spelling of 652292681 in words is "six hundred fifty-two million, two hundred ninety-two thousand, six hundred eighty-one".