25208698825 has 12 divisors (see below), whose sum is σ = 31291142080. Its totient is φ = 20146084560.

The previous prime is 25208698807. The next prime is 25208698843. The reversal of 25208698825 is 52889680252.

It is an interprime number because it is at equal distance from previous prime (25208698807) and next prime (25208698843).

It is not a de Polignac number, because 25208698825 - 2²⁷ = 25074481097 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497205 + ... + 545554.

Almost surely, 2^25208698825 is an apocalyptic number.

25208698825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25208698825 is a deficient number, since it is larger than the sum of its proper divisors (6082443255).

25208698825 is a wasteful number, since it uses less digits than its factorization.

25208698825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043736 (or 1043731 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 25208698825 in words is "twenty-five billion, two hundred eight million, six hundred ninety-eight thousand, eight hundred twenty-five".