25188130 has 16 divisors (see below), whose sum is σ = 49460544. Its totient is φ = 9159280.

The previous prime is 25188113. The next prime is 25188131. The reversal of 25188130 is 3188152.

It is not an unprimeable number, because it can be changed into a prime (25188131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114382 + ... + 114601.

It is an arithmetic number, because the mean of its divisors is an integer number (3091284).

Almost surely, 2^25188130 is an apocalyptic number.

25188130 is a deficient number, since it is larger than the sum of its proper divisors (24272414).

25188130 is a wasteful number, since it uses less digits than its factorization.

25188130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229001.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 25188130 is about 5018.7777396494. Note that the first 4 decimals coincide. The cubic root of 25188130 is about 293.1334022714.

It can be divided in two parts, 2518 and 8130, that added together give a cube (10648 = 22³).

The spelling of 25188130 in words is "twenty-five million, one hundred eighty-eight thousand, one hundred thirty".