25130544 has 20 divisors (see below), whose sum is σ = 64920696. Its totient is φ = 8376832.

The previous prime is 25130537. The next prime is 25130551. The reversal of 25130544 is 44503152.

It is an interprime number because it is at equal distance from previous prime (25130537) and next prime (25130551).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261729 + ... + 261824.

Almost surely, 2^25130544 is an apocalyptic number.

25130544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25130544 is an abundant number, since it is smaller than the sum of its proper divisors (39790152).

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

25130544 is a wasteful number, since it uses less digits than its factorization.

25130544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523564 (or 523558 counting only the distinct ones).

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

The square root of 25130544 is about 5013.0374026133. The cubic root of 25130544 is about 292.9098411384.

Adding to 25130544 its reverse (44503152), we get a palindrome (69633696).

The spelling of 25130544 in words is "twenty-five million, one hundred thirty thousand, five hundred forty-four".