25298125 has 20 divisors (see below), whose sum is σ = 33486156. Its totient is φ = 19040000.

The previous prime is 25298123. The next prime is 25298129. The reversal of 25298125 is 52189252.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 23483716 + 1814409 = 4846^2 + 1347^2 .

It is not a de Polignac number, because 25298125 - 2¹ = 25298123 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25298123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9435 + ... + 11815.

Almost surely, 2^25298125 is an apocalyptic number.

25298125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25298125 is a deficient number, since it is larger than the sum of its proper divisors (8188031).

25298125 is an equidigital number, since it uses as much as digits as its factorization.

25298125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2403 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 25298125 is about 5029.7241475055. The cubic root of 25298125 is about 293.5594811086.

The spelling of 25298125 in words is "twenty-five million, two hundred ninety-eight thousand, one hundred twenty-five".