25404260 has 24 divisors (see below), whose sum is σ = 60970560. Its totient is φ = 8709984.

The previous prime is 25404257. The next prime is 25404263. The reversal of 25404260 is 6240452.

It is an interprime number because it is at equal distance from previous prime (25404257) and next prime (25404263).

It is a super-2 number, since 2×25404260² = 1290752852295200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25404263) 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, 90590 + ... + 90869.

It is an arithmetic number, because the mean of its divisors is an integer number (2540440).

Almost surely, 2^25404260 is an apocalyptic number.

25404260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25404260 is an abundant number, since it is smaller than the sum of its proper divisors (35566300).

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

25404260 is a wasteful number, since it uses less digits than its factorization.

25404260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181475 (or 181473 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 25404260 is about 5040.2638819808. The cubic root of 25404260 is about 293.9694385682.

The spelling of 25404260 in words is "twenty-five million, four hundred four thousand, two hundred sixty".