652381087 has 2 divisors, whose sum is σ = 652381088. Its totient is φ = 652381086.

The previous prime is 652381061. The next prime is 652381133. The reversal of 652381087 is 780183256.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652381087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652381027) 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 as a sum of consecutive naturals, namely, 326190543 + 326190544.

It is an arithmetic number, because the mean of its divisors is an integer number (326190544).

Almost surely, 2^652381087 is an apocalyptic number.

652381087 is a deficient number, since it is larger than the sum of its proper divisors (1).

652381087 is an equidigital number, since it uses as much as digits as its factorization.

652381087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 652381087 is about 25541.7518389009. The cubic root of 652381087 is about 867.2955551961.

The spelling of 652381087 in words is "six hundred fifty-two million, three hundred eighty-one thousand, eighty-seven".