25002449 has 16 divisors (see below), whose sum is σ = 27025920. Its totient is φ = 23073600.

The previous prime is 25002443. The next prime is 25002451. The reversal of 25002449 is 94420052.

It is not a de Polignac number, because 25002449 - 2⁴ = 25002433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25002443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109067 + ... + 109295.

It is an arithmetic number, because the mean of its divisors is an integer number (1689120).

Almost surely, 2^25002449 is an apocalyptic number.

It is an amenable number.

25002449 is a deficient number, since it is larger than the sum of its proper divisors (2023471).

25002449 is a wasteful number, since it uses less digits than its factorization.

25002449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25002449 is about 5000.2448940027. The cubic root of 25002449 is about 292.4113214021.

The spelling of 25002449 in words is "twenty-five million, two thousand, four hundred forty-nine".