25488489 has 16 divisors (see below), whose sum is σ = 36755712. Its totient is φ = 15618048.

The previous prime is 25488487. The next prime is 25488497. The reversal of 25488489 is 98488452.

It is not a de Polignac number, because 25488489 - 2¹ = 25488487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25488487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8752 + ... + 11294.

It is an arithmetic number, because the mean of its divisors is an integer number (2297232).

Almost surely, 2^25488489 is an apocalyptic number.

It is an amenable number.

25488489 is a deficient number, since it is larger than the sum of its proper divisors (11267223).

25488489 is a wasteful number, since it uses less digits than its factorization.

25488489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its digits is 737280, while the sum is 48.

The square root of 25488489 is about 5048.6125816901. The cubic root of 25488489 is about 294.2939699263.

The spelling of 25488489 in words is "twenty-five million, four hundred eighty-eight thousand, four hundred eighty-nine".