25875489 has 16 divisors (see below), whose sum is σ = 35121600. Its totient is φ = 16943040.

The previous prime is 25875463. The next prime is 25875491. The reversal of 25875489 is 98457852.

It is not a de Polignac number, because 25875489 - 2⁸ = 25875233 is a prime.

Its product of digits (806400) is a multiple of the sum of its prime divisors (800).

It is not an unprimeable number, because it can be changed into a prime (25875419) 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, 47559 + ... + 48099.

It is an arithmetic number, because the mean of its divisors is an integer number (2195100).

Almost surely, 2^25875489 is an apocalyptic number.

It is an amenable number.

25875489 is a deficient number, since it is larger than the sum of its proper divisors (9246111).

25875489 is a wasteful number, since it uses less digits than its factorization.

25875489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its digits is 806400, while the sum is 48.

The square root of 25875489 is about 5086.7955531946. The cubic root of 25875489 is about 295.7759482071.

The spelling of 25875489 in words is "twenty-five million, eight hundred seventy-five thousand, four hundred eighty-nine".