25052632513 has 2 divisors, whose sum is σ = 25052632514. Its totient is φ = 25052632512.

The previous prime is 25052632511. The next prime is 25052632529. The reversal of 25052632513 is 31523625052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15273993744 + 9778638769 = 123588^2 + 98887^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052632513 - 2¹ = 25052632511 is a prime.

Together with 25052632511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25052632511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526316256 + 12526316257.

It is an arithmetic number, because the mean of its divisors is an integer number (12526316257).

Almost surely, 2^25052632513 is an apocalyptic number.

It is an amenable number.

25052632513 is a deficient number, since it is larger than the sum of its proper divisors (1).

25052632513 is an equidigital number, since it uses as much as digits as its factorization.

25052632513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 25052632513 in words is "twenty-five billion, fifty-two million, six hundred thirty-two thousand, five hundred thirteen".