25255144 has 16 divisors (see below), whose sum is σ = 47437920. Its totient is φ = 12605040.

The previous prime is 25255141. The next prime is 25255163. The reversal of 25255144 is 44155252.

It is not an unprimeable number, because it can be changed into a prime (25255141) 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 3 ways as a sum of consecutive naturals, for example, 2547 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (2964870).

Almost surely, 2^25255144 is an apocalyptic number.

It is an amenable number.

25255144 is a deficient number, since it is larger than the sum of its proper divisors (22182776).

25255144 is a wasteful number, since it uses less digits than its factorization.

25255144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5636 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 25255144 is about 5025.4496316250. The cubic root of 25255144 is about 293.3931363377.

The spelling of 25255144 in words is "twenty-five million, two hundred fifty-five thousand, one hundred forty-four".