2538864025 has 6 divisors (see below), whose sum is σ = 3148191422. Its totient is φ = 2031091200.

The previous prime is 2538864011. The next prime is 2538864049. The reversal of 2538864025 is 5204688352.

It can be written as a sum of positive squares in 3 ways, for example, as 471888729 + 2066975296 = 21723^2 + 45464^2 .

It is not a de Polignac number, because 2538864025 - 2²⁵ = 2505309593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50777256 + ... + 50777305.

Almost surely, 2^2538864025 is an apocalyptic number.

2538864025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2538864025 is a deficient number, since it is larger than the sum of its proper divisors (609327397).

2538864025 is a wasteful number, since it uses less digits than its factorization.

2538864025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101554571 (or 101554566 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 2538864025 is about 50387.1414648618. The cubic root of 2538864025 is about 1364.2055559541.

The spelling of 2538864025 in words is "two billion, five hundred thirty-eight million, eight hundred sixty-four thousand, twenty-five".