25025289 has 16 divisors (see below), whose sum is σ = 34665600. Its totient is φ = 16039296.

The previous prime is 25025279. The next prime is 25025317. The reversal of 25025289 is 98252052.

It is a de Polignac number, because none of the positive numbers 2^k-25025289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25025279) 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, 26772 + ... + 27690.

It is an arithmetic number, because the mean of its divisors is an integer number (2166600).

Almost surely, 2^25025289 is an apocalyptic number.

25025289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25025289 is a deficient number, since it is larger than the sum of its proper divisors (9640311).

25025289 is a wasteful number, since it uses less digits than its factorization.

25025289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25025289 is about 5002.5282607897. The cubic root of 25025289 is about 292.5003345748.

The spelling of 25025289 in words is "twenty-five million, twenty-five thousand, two hundred eighty-nine".