25115075 has 12 divisors (see below), whose sum is σ = 31353648. Its totient is φ = 19956000.

The previous prime is 25115071. The next prime is 25115089. The reversal of 25115075 is 57051152.

It is a happy number.

It is not a de Polignac number, because 25115075 - 2² = 25115071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25115071) 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, 449 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (2612804).

Almost surely, 2^25115075 is an apocalyptic number.

25115075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25115075 is a deficient number, since it is larger than the sum of its proper divisors (6238573).

25115075 is a wasteful number, since it uses less digits than its factorization.

25115075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 25115075 is about 5011.4942881340. The cubic root of 25115075 is about 292.8497289985.

The spelling of 25115075 in words is "twenty-five million, one hundred fifteen thousand, seventy-five".