25484481 has 24 divisors (see below), whose sum is σ = 41019264. Its totient is φ = 15113760.

The previous prime is 25484477. The next prime is 25484489. The reversal of 25484481 is 18448452.

It is not a de Polignac number, because 25484481 - 2² = 25484477 is a prime.

It is a super-2 number, since 2×25484481² = 1298917543678722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25484489) 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 23 ways as a sum of consecutive naturals, for example, 1915 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (1709136).

Almost surely, 2^25484481 is an apocalyptic number.

It is an amenable number.

25484481 is a deficient number, since it is larger than the sum of its proper divisors (15534783).

25484481 is a wasteful number, since it uses less digits than its factorization.

25484481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541 (or 5538 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 25484481 is about 5048.2156253472. The cubic root of 25484481 is about 294.2785434585.

The spelling of 25484481 in words is "twenty-five million, four hundred eighty-four thousand, four hundred eighty-one".