25792489 has 4 divisors (see below), whose sum is σ = 25848900. Its totient is φ = 25736080.

The previous prime is 25792483. The next prime is 25792493. The reversal of 25792489 is 98429752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7371225 + 18421264 = 2715^2 + 4292^2 .

It is a cyclic number.

It is not a de Polignac number, because 25792489 - 2⁹ = 25791977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25792483) 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, 27514 + ... + 28435.

It is an arithmetic number, because the mean of its divisors is an integer number (6462225).

Almost surely, 2^25792489 is an apocalyptic number.

It is an amenable number.

25792489 is a deficient number, since it is larger than the sum of its proper divisors (56411).

25792489 is an equidigital number, since it uses as much as digits as its factorization.

25792489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56410.

The product of its digits is 362880, while the sum is 46.

The square root of 25792489 is about 5078.6306225202. The cubic root of 25792489 is about 295.4593590293.

The spelling of 25792489 in words is "twenty-five million, seven hundred ninety-two thousand, four hundred eighty-nine".