25040164125 has 32 divisors (see below), whose sum is σ = 43859836800. Its totient is φ = 12651868800.

The previous prime is 25040164081. The next prime is 25040164183. The reversal of 25040164125 is 52146104052.

It is not a de Polignac number, because 25040164125 - 2¹⁰ = 25040163101 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25040164092 and 25040164101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1750080 + ... + 1764329.

It is an arithmetic number, because the mean of its divisors is an integer number (1370619900).

Almost surely, 2^25040164125 is an apocalyptic number.

25040164125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25040164125 is a deficient number, since it is larger than the sum of its proper divisors (18819672675).

25040164125 is a wasteful number, since it uses less digits than its factorization.

25040164125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514446 (or 3514436 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 25040164125 its reverse (52146104052), we get a palindrome (77186268177).

The spelling of 25040164125 in words is "twenty-five billion, forty million, one hundred sixty-four thousand, one hundred twenty-five".