2525265389 has 2 divisors, whose sum is σ = 2525265390. Its totient is φ = 2525265388.

The previous prime is 2525265383. The next prime is 2525265437. The reversal of 2525265389 is 9835625252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1759802500 + 765462889 = 41950^2 + 27667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525265389 - 2²⁴ = 2508488173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525265383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262632694 + 1262632695.

It is an arithmetic number, because the mean of its divisors is an integer number (1262632695).

Almost surely, 2^2525265389 is an apocalyptic number.

It is an amenable number.

2525265389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525265389 is an equidigital number, since it uses as much as digits as its factorization.

2525265389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 47.

The square root of 2525265389 is about 50252.0187554689. The cubic root of 2525265389 is about 1361.7655466954.

The spelling of 2525265389 in words is "two billion, five hundred twenty-five million, two hundred sixty-five thousand, three hundred eighty-nine".