25089420 has 24 divisors (see below), whose sum is σ = 70250544. Its totient is φ = 6690496.

The previous prime is 25089419. The next prime is 25089431. The reversal of 25089420 is 2498052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209019 + ... + 209138.

It is an arithmetic number, because the mean of its divisors is an integer number (2927106).

Almost surely, 2^25089420 is an apocalyptic number.

25089420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25089420 is an abundant number, since it is smaller than the sum of its proper divisors (45161124).

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

25089420 is a wasteful number, since it uses less digits than its factorization.

25089420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418169 (or 418167 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 25089420 is about 5008.9340183316. The cubic root of 25089420 is about 292.7499798844.

The spelling of 25089420 in words is "twenty-five million, eighty-nine thousand, four hundred twenty".