2539137625 has 16 divisors (see below), whose sum is σ = 3170748672. Its totient is φ = 2030089200.

The previous prime is 2539137619. The next prime is 2539137649. The reversal of 2539137625 is 5267319352.

It is not a de Polignac number, because 2539137625 - 2⁹ = 2539137113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243264 + ... + 253486.

It is an arithmetic number, because the mean of its divisors is an integer number (198171792).

Almost surely, 2^2539137625 is an apocalyptic number.

2539137625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2539137625 is a deficient number, since it is larger than the sum of its proper divisors (631611047).

2539137625 is a wasteful number, since it uses less digits than its factorization.

2539137625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225 (or 12215 counting only the distinct ones).

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

The square root of 2539137625 is about 50389.8563701069. The cubic root of 2539137625 is about 1364.2545586090.

The spelling of 2539137625 in words is "two billion, five hundred thirty-nine million, one hundred thirty-seven thousand, six hundred twenty-five".