652087231 has 2 divisors, whose sum is σ = 652087232. Its totient is φ = 652087230.

The previous prime is 652087229. The next prime is 652087327. The reversal of 652087231 is 132780256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652087231 - 2¹ = 652087229 is a prime.

It is a super-2 number, since 2×652087231² = 850435513666494722, which contains 22 as substring.

Together with 652087229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652087031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326043615 + 326043616.

It is an arithmetic number, because the mean of its divisors is an integer number (326043616).

Almost surely, 2^652087231 is an apocalyptic number.

652087231 is a deficient number, since it is larger than the sum of its proper divisors (1).

652087231 is an equidigital number, since it uses as much as digits as its factorization.

652087231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 652087231 is about 25535.9987272869. The cubic root of 652087231 is about 867.1653152267.

The spelling of 652087231 in words is "six hundred fifty-two million, eighty-seven thousand, two hundred thirty-one".