25325420 has 12 divisors (see below), whose sum is σ = 53183424. Its totient is φ = 10130160.

The previous prime is 25325411. The next prime is 25325437. The reversal of 25325420 is 2452352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633116 + ... + 633155.

It is an arithmetic number, because the mean of its divisors is an integer number (4431952).

Almost surely, 2^25325420 is an apocalyptic number.

25325420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25325420 is an abundant number, since it is smaller than the sum of its proper divisors (27858004).

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

25325420 is a wasteful number, since it uses less digits than its factorization.

25325420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266280 (or 1266278 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25325420 is about 5032.4367854947. The cubic root of 25325420 is about 293.6650202350.

Adding to 25325420 its reverse (2452352), we get a palindrome (27777772).

The spelling of 25325420 in words is "twenty-five million, three hundred twenty-five thousand, four hundred twenty".