25875249 has 4 divisors (see below), whose sum is σ = 34500336. Its totient is φ = 17250164.

The previous prime is 25875233. The next prime is 25875257. The reversal of 25875249 is 94257852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25875249 - 2⁴ = 25875233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25875249.

It is not an unprimeable number, because it can be changed into a prime (25875229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4312539 + ... + 4312544.

It is an arithmetic number, because the mean of its divisors is an integer number (8625084).

Almost surely, 2^25875249 is an apocalyptic number.

It is an amenable number.

25875249 is a deficient number, since it is larger than the sum of its proper divisors (8625087).

25875249 is an equidigital number, since it uses as much as digits as its factorization.

25875249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625086.

The product of its digits is 201600, while the sum is 42.

The square root of 25875249 is about 5086.7719626498. The cubic root of 25875249 is about 295.7750337452.

The spelling of 25875249 in words is "twenty-five million, eight hundred seventy-five thousand, two hundred forty-nine".