25033420 has 12 divisors (see below), whose sum is σ = 52570224. Its totient is φ = 10013360.

The previous prime is 25033417. The next prime is 25033511. The reversal of 25033420 is 2433052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625816 + ... + 625855.

It is an arithmetic number, because the mean of its divisors is an integer number (4380852).

Almost surely, 2^25033420 is an apocalyptic number.

25033420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25033420 is an abundant number, since it is smaller than the sum of its proper divisors (27536804).

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

25033420 is a wasteful number, since it uses less digits than its factorization.

25033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251680 (or 1251678 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 25033420 is about 5003.3408838495. The cubic root of 25033420 is about 292.5320100357.

Adding to 25033420 its reverse (2433052), we get a palindrome (27466472).

It can be divided in two parts, 250 and 33420, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 25033420 in words is "twenty-five million, thirty-three thousand, four hundred twenty".