25275265238 has 16 divisors (see below), whose sum is σ = 38841612480. Its totient is φ = 12328773576.

The previous prime is 25275265229. The next prime is 25275265273. The reversal of 25275265238 is 83256257252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25275265192 and 25275265201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106568 + ... + 248811.

It is an arithmetic number, because the mean of its divisors is an integer number (2427600780).

Almost surely, 2^25275265238 is an apocalyptic number.

25275265238 is a deficient number, since it is larger than the sum of its proper divisors (13566347242).

25275265238 is a wasteful number, since it uses less digits than its factorization.

25275265238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356251.

The product of its digits is 2016000, while the sum is 47.

The spelling of 25275265238 in words is "twenty-five billion, two hundred seventy-five million, two hundred sixty-five thousand, two hundred thirty-eight".