25395117 has 12 divisors (see below), whose sum is σ = 37218720. Its totient is φ = 15390760.

The previous prime is 25395101. The next prime is 25395119. The reversal of 25395117 is 71159352.

It is not a de Polignac number, because 25395117 - 2⁴ = 25395101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25395119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34617 + ... + 35342.

It is an arithmetic number, because the mean of its divisors is an integer number (3101560).

Almost surely, 2^25395117 is an apocalyptic number.

It is an amenable number.

25395117 is a deficient number, since it is larger than the sum of its proper divisors (11823603).

25395117 is a wasteful number, since it uses less digits than its factorization.

25395117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69984 (or 69973 counting only the distinct ones).

The product of its digits is 9450, while the sum is 33.

The square root of 25395117 is about 5039.3568041963. The cubic root of 25395117 is about 293.9341677766.

The spelling of 25395117 in words is "twenty-five million, three hundred ninety-five thousand, one hundred seventeen".