25059420 has 72 divisors (see below), whose sum is σ = 79331616. Its totient is φ = 6390912.

The previous prime is 25059409. The next prime is 25059469. The reversal of 25059420 is 2495052.

25059420 is a `hidden beast` number, since 2 + 50 + 594 + 20 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1114 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (1101828).

Almost surely, 2^25059420 is an apocalyptic number.

25059420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25059420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39665808).

25059420 is an abundant number, since it is smaller than the sum of its proper divisors (54272196).

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

25059420 is a wasteful number, since it uses less digits than its factorization.

25059420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091 (or 6086 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 25059420 is about 5005.9384734533. The cubic root of 25059420 is about 292.6332507053.

The spelling of 25059420 in words is "twenty-five million, fifty-nine thousand, four hundred twenty".