25544130 has 16 divisors (see below), whose sum is σ = 61305984. Its totient is φ = 6811760.

The previous prime is 25544111. The next prime is 25544131. The reversal of 25544130 is 3144552.

It is a self number, because there is not a number n which added to its sum of digits gives 25544130.

It is not an unprimeable number, because it can be changed into a prime (25544131) 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 7 ways as a sum of consecutive naturals, for example, 425706 + ... + 425765.

It is an arithmetic number, because the mean of its divisors is an integer number (3831624).

Almost surely, 2^25544130 is an apocalyptic number.

25544130 is an abundant number, since it is smaller than the sum of its proper divisors (35761854).

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

25544130 is a wasteful number, since it uses less digits than its factorization.

25544130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851481.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25544130 is about 5054.1201014618. The cubic root of 25544130 is about 294.5079607711.

Adding to 25544130 its reverse (3144552), we get a palindrome (28688682).

The spelling of 25544130 in words is "twenty-five million, five hundred forty-four thousand, one hundred thirty".