152613256261 has 2 divisors, whose sum is σ = 152613256262. Its totient is φ = 152613256260.

The previous prime is 152613256193. The next prime is 152613256303. The reversal of 152613256261 is 162652316251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152387956161 + 225300100 = 390369^2 + 15010^2 .

It is a cyclic number.

It is not a de Polignac number, because 152613256261 - 2⁹ = 152613255749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152613256361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76306628130 + 76306628131.

It is an arithmetic number, because the mean of its divisors is an integer number (76306628131).

Almost surely, 2^152613256261 is an apocalyptic number.

It is an amenable number.

152613256261 is a deficient number, since it is larger than the sum of its proper divisors (1).

152613256261 is an equidigital number, since it uses as much as digits as its factorization.

152613256261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The spelling of 152613256261 in words is "one hundred fifty-two billion, six hundred thirteen million, two hundred fifty-six thousand, two hundred sixty-one".