25935220 has 48 divisors (see below), whose sum is σ = 57254400. Its totient is φ = 9855360.

The previous prime is 25935163. The next prime is 25935227. The reversal of 25935220 is 2253952.

It is a super-3 number, since 3×25935220³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25935227) 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, 36226 + ... + 36934.

It is an arithmetic number, because the mean of its divisors is an integer number (1192800).

Almost surely, 2^25935220 is an apocalyptic number.

25935220 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 25935220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28627200).

25935220 is an abundant number, since it is smaller than the sum of its proper divisors (31319180).

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

25935220 is a wasteful number, since it uses less digits than its factorization.

25935220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25935220 is about 5092.6633503502. The cubic root of 25935220 is about 296.0033631222.

The spelling of 25935220 in words is "twenty-five million, nine hundred thirty-five thousand, two hundred twenty".