25540130 has 64 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 7756800.

The previous prime is 25540127. The next prime is 25540133. The reversal of 25540130 is 3104552.

It is an interprime number because it is at equal distance from previous prime (25540127) and next prime (25540133).

It is not an unprimeable number, because it can be changed into a prime (25540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31166 + ... + 31974.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^25540130 is an apocalyptic number.

25540130 is an abundant number, since it is smaller than the sum of its proper divisors (33246430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25540130 is a wasteful number, since it uses less digits than its factorization.

25540130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25540130 is about 5053.7243692152. The cubic root of 25540130 is about 294.4925874631.

Adding to 25540130 its reverse (3104552), we get a palindrome (28644682).

The spelling of 25540130 in words is "twenty-five million, five hundred forty thousand, one hundred thirty".