25365489 has 4 divisors (see below), whose sum is σ = 33820656. Its totient is φ = 16910324.

The previous prime is 25365427. The next prime is 25365493. The reversal of 25365489 is 98456352.

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 25365489 - 2⁸ = 25365233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25365489.

It is not an unprimeable number, because it can be changed into a prime (25365419) 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, 4227579 + ... + 4227584.

It is an arithmetic number, because the mean of its divisors is an integer number (8455164).

Almost surely, 2^25365489 is an apocalyptic number.

It is an amenable number.

25365489 is a deficient number, since it is larger than the sum of its proper divisors (8455167).

25365489 is an equidigital number, since it uses as much as digits as its factorization.

25365489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455166.

The product of its digits is 259200, while the sum is 42.

The square root of 25365489 is about 5036.4162854157. The cubic root of 25365489 is about 293.8198141593.

The spelling of 25365489 in words is "twenty-five million, three hundred sixty-five thousand, four hundred eighty-nine".