25363580 has 48 divisors (see below), whose sum is σ = 59996160. Its totient is φ = 8923200.

The previous prime is 25363579. The next prime is 25363589. The reversal of 25363580 is 8536352.

It is a super-2 number, since 2×25363580² = 1286622380832800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25363589) 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, 4961 + ... + 8679.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^25363580 is an apocalyptic number.

25363580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25363580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29998080).

25363580 is an abundant number, since it is smaller than the sum of its proper divisors (34632580).

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

25363580 is a wasteful number, since it uses less digits than its factorization.

25363580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 25363580 is about 5036.2267621703. The cubic root of 25363580 is about 293.8124430405.

It can be divided in two parts, 2536 and 3580, that added together give a palindrome (6116).

The spelling of 25363580 in words is "twenty-five million, three hundred sixty-three thousand, five hundred eighty".