25131260 has 48 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 7832640.

The previous prime is 25131257. The next prime is 25131263. The reversal of 25131260 is 6213152.

It is an interprime number because it is at equal distance from previous prime (25131257) and next prime (25131263).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25131263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6620 + ... + 9699.

It is an arithmetic number, because the mean of its divisors is an integer number (1370880).

Almost surely, 2^25131260 is an apocalyptic number.

25131260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25131260 is an abundant number, since it is smaller than the sum of its proper divisors (40670980).

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

25131260 is a wasteful number, since it uses less digits than its factorization.

25131260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16346 (or 16344 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 25131260 is about 5013.1088158946. The cubic root of 25131260 is about 292.9126228988.

It can be divided in two parts, 2513 and 1260, that added together give a palindrome (3773).

The spelling of 25131260 in words is "twenty-five million, one hundred thirty-one thousand, two hundred sixty".