25115235 has 16 divisors (see below), whose sum is σ = 40555680. Its totient is φ = 13271040.

The previous prime is 25115227. The next prime is 25115257. The reversal of 25115235 is 53251152.

It is a happy number.

It is not a de Polignac number, because 25115235 - 2³ = 25115227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6046 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (2534730).

Almost surely, 2^25115235 is an apocalyptic number.

25115235 is a deficient number, since it is larger than the sum of its proper divisors (15440445).

25115235 is a wasteful number, since it uses less digits than its factorization.

25115235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15478.

The product of its digits is 1500, while the sum is 24.

The square root of 25115235 is about 5011.5102514112. The cubic root of 25115235 is about 292.8503508807.

Adding to 25115235 its reverse (53251152), we get a palindrome (78366387).

The spelling of 25115235 in words is "twenty-five million, one hundred fifteen thousand, two hundred thirty-five".