2525637139 has 2 divisors, whose sum is σ = 2525637140. Its totient is φ = 2525637138.

The previous prime is 2525637133. The next prime is 2525637161. The reversal of 2525637139 is 9317365252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2525637139 - 2²⁵ = 2492082707 is a prime.

It is a super-2 number, since 2×2525637139² = 12757685915792210642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2525637095 and 2525637104.

It is not a weakly prime, because it can be changed into another prime (2525637133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262818569 + 1262818570.

It is an arithmetic number, because the mean of its divisors is an integer number (1262818570).

Almost surely, 2^2525637139 is an apocalyptic number.

2525637139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525637139 is an equidigital number, since it uses as much as digits as its factorization.

2525637139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 2525637139 is about 50255.7174757261. The cubic root of 2525637139 is about 1361.8323662734.

The spelling of 2525637139 in words is "two billion, five hundred twenty-five million, six hundred thirty-seven thousand, one hundred thirty-nine".