1521336130253 has 2 divisors, whose sum is σ = 1521336130254. Its totient is φ = 1521336130252.

The previous prime is 1521336130177. The next prime is 1521336130297. The reversal of 1521336130253 is 3520316331251.

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., 1510138681129 + 11197449124 = 1228877^2 + 105818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1521336130253 - 2²⁰ = 1521335081677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1529336130253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760668065126 + 760668065127.

It is an arithmetic number, because the mean of its divisors is an integer number (760668065127).

Almost surely, 2^{1521336130253} is an apocalyptic number.

It is an amenable number.

1521336130253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521336130253 is an equidigital number, since it uses as much as digits as its factorization.

1521336130253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 1521336130253 in words is "one trillion, five hundred twenty-one billion, three hundred thirty-six million, one hundred thirty thousand, two hundred fifty-three".