25220260 has 24 divisors (see below), whose sum is σ = 57037176. Its totient is φ = 9312000.

The previous prime is 25220257. The next prime is 25220263. The reversal of 25220260 is 6202252.

It is an interprime number because it is at equal distance from previous prime (25220257) and next prime (25220263).

It can be written as a sum of positive squares in 4 ways, for example, as 1658944 + 23561316 = 1288^2 + 4854^2 .

It is not an unprimeable number, because it can be changed into a prime (25220263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48241 + ... + 48760.

It is an arithmetic number, because the mean of its divisors is an integer number (2376549).

Almost surely, 2^25220260 is an apocalyptic number.

25220260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25220260 is an abundant number, since it is smaller than the sum of its proper divisors (31816916).

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

25220260 is a wasteful number, since it uses less digits than its factorization.

25220260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97023 (or 97021 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25220260 is about 5021.9776980787. The cubic root of 25220260 is about 293.2579897174.

The spelling of 25220260 in words is "twenty-five million, two hundred twenty thousand, two hundred sixty".