25115452 has 24 divisors (see below), whose sum is σ = 46252080. Its totient is φ = 11917440.

The previous prime is 25115429. The next prime is 25115459. The reversal of 25115452 is 25451152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3999 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170).

Almost surely, 2^25115452 is an apocalyptic number.

It is an amenable number.

25115452 is a deficient number, since it is larger than the sum of its proper divisors (21136628).

25115452 is a wasteful number, since it uses less digits than its factorization.

25115452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4219 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 25115452 is about 5011.5319015247. The cubic root of 25115452 is about 292.8511943043.

The spelling of 25115452 in words is "twenty-five million, one hundred fifteen thousand, four hundred fifty-two".