25382489 has 4 divisors (see below), whose sum is σ = 27690000. Its totient is φ = 23074980.

The previous prime is 25382477. The next prime is 25382519. The reversal of 25382489 is 98428352.

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 25382489 - 2⁴ = 25382473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25382089) 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, 1153739 + ... + 1153760.

It is an arithmetic number, because the mean of its divisors is an integer number (6922500).

Almost surely, 2^25382489 is an apocalyptic number.

It is an amenable number.

25382489 is a deficient number, since it is larger than the sum of its proper divisors (2307511).

25382489 is a wasteful number, since it uses less digits than its factorization.

25382489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307510.

The product of its digits is 138240, while the sum is 41.

The square root of 25382489 is about 5038.1037107229. The cubic root of 25382489 is about 293.8854390375.

The spelling of 25382489 in words is "twenty-five million, three hundred eighty-two thousand, four hundred eighty-nine".