25494484 has 18 divisors (see below), whose sum is σ = 45493070. Its totient is φ = 12501216.

The previous prime is 25494481. The next prime is 25494527. The reversal of 25494484 is 48449452.

It can be written as a sum of positive squares in 3 ways, for example, as 2722500 + 22771984 = 1650^2 + 4772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25494481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10102 + ... + 12370.

Almost surely, 2^25494484 is an apocalyptic number.

It is an amenable number.

25494484 is a deficient number, since it is larger than the sum of its proper divisors (19998586).

25494484 is a wasteful number, since it uses less digits than its factorization.

25494484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2324 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 25494484 is about 5049.2062742574. The cubic root of 25494484 is about 294.3170411781.

It can be divided in two parts, 2549448 and 4, that added together give a palindrome (2549452).

The spelling of 25494484 in words is "twenty-five million, four hundred ninety-four thousand, four hundred eighty-four".