25025001275 has 6 divisors (see below), whose sum is σ = 31031001612. Its totient is φ = 20020001000.

The previous prime is 25025001257. The next prime is 25025001277. The reversal of 25025001275 is 57210052052.

It is not a de Polignac number, because 25025001275 - 2²⁰ = 25023952699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25025001277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500500001 + ... + 500500050.

It is an arithmetic number, because the mean of its divisors is an integer number (5171833602).

Almost surely, 2^25025001275 is an apocalyptic number.

25025001275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25025001275 is a deficient number, since it is larger than the sum of its proper divisors (6006000337).

25025001275 is a wasteful number, since it uses less digits than its factorization.

25025001275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001000061 (or 1001000056 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 25025001275 in words is "twenty-five billion, twenty-five million, one thousand, two hundred seventy-five".