2525265139 has 4 divisors (see below), whose sum is σ = 2526610960. Its totient is φ = 2523919320.

The previous prime is 2525265109. The next prime is 2525265143. The reversal of 2525265139 is 9315625252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525265139 - 2⁵ = 2525265107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525265109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670092 + ... + 673849.

It is an arithmetic number, because the mean of its divisors is an integer number (631652740).

Almost surely, 2^2525265139 is an apocalyptic number.

2525265139 is a deficient number, since it is larger than the sum of its proper divisors (1345821).

2525265139 is a wasteful number, since it uses less digits than its factorization.

2525265139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345820.

The product of its digits is 162000, while the sum is 40.

The square root of 2525265139 is about 50252.0162680066. The cubic root of 2525265139 is about 1361.7655017574.

The spelling of 2525265139 in words is "two billion, five hundred twenty-five million, two hundred sixty-five thousand, one hundred thirty-nine".