25238620 has 48 divisors (see below), whose sum is σ = 58514400. Its totient is φ = 9067520.

The previous prime is 25238617. The next prime is 25238627. The reversal of 25238620 is 2683252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18936 + ... + 20224.

It is an arithmetic number, because the mean of its divisors is an integer number (1219050).

Almost surely, 2^25238620 is an apocalyptic number.

25238620 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 25238620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29257200).

25238620 is an abundant number, since it is smaller than the sum of its proper divisors (33275780).

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

25238620 is a wasteful number, since it uses less digits than its factorization.

25238620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25238620 is about 5023.8053306234. The cubic root of 25238620 is about 293.3291350409.

The spelling of 25238620 in words is "twenty-five million, two hundred thirty-eight thousand, six hundred twenty".