25652825629 has 2 divisors, whose sum is σ = 25652825630. Its totient is φ = 25652825628.

The previous prime is 25652825621. The next prime is 25652825657. The reversal of 25652825629 is 92652825652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21432374404 + 4220451225 = 146398^2 + 64965^2 .

It is a cyclic number.

It is not a de Polignac number, because 25652825629 - 2³ = 25652825621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25652825621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12826412814 + 12826412815.

It is an arithmetic number, because the mean of its divisors is an integer number (12826412815).

Almost surely, 2^25652825629 is an apocalyptic number.

It is an amenable number.

25652825629 is a deficient number, since it is larger than the sum of its proper divisors (1).

25652825629 is an equidigital number, since it uses as much as digits as its factorization.

25652825629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184000, while the sum is 52.

The spelling of 25652825629 in words is "twenty-five billion, six hundred fifty-two million, eight hundred twenty-five thousand, six hundred twenty-nine".