25080420 has 24 divisors (see below), whose sum is σ = 70225344. Its totient is φ = 6688096.

The previous prime is 25080409. The next prime is 25080427. The reversal of 25080420 is 2408052.

It is not an unprimeable number, because it can be changed into a prime (25080427) 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, 208944 + ... + 209063.

It is an arithmetic number, because the mean of its divisors is an integer number (2926056).

Almost surely, 2^25080420 is an apocalyptic number.

25080420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25080420 is an abundant number, since it is smaller than the sum of its proper divisors (45144924).

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

25080420 is a wasteful number, since it uses less digits than its factorization.

25080420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418019 (or 418017 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 25080420 is about 5008.0355430049. The cubic root of 25080420 is about 292.7149709055.

Adding to 25080420 its reverse (2408052), we get a palindrome (27488472).

The spelling of 25080420 in words is "twenty-five million, eighty thousand, four hundred twenty".