25725020 has 24 divisors (see below), whose sum is σ = 54676944. Its totient is φ = 10165376.

The previous prime is 25725019. The next prime is 25725043. The reversal of 25725020 is 2052752.

It is a congruent number.

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, 6089 + ... + 9408.

It is an arithmetic number, because the mean of its divisors is an integer number (2278206).

Almost surely, 2^25725020 is an apocalyptic number.

25725020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25725020 is an abundant number, since it is smaller than the sum of its proper divisors (28951924).

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

25725020 is a wasteful number, since it uses less digits than its factorization.

25725020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15589 (or 15587 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 25725020 is about 5071.9838327818. The cubic root of 25725020 is about 295.2015093574.

Adding to 25725020 its reverse (2052752), we get a palindrome (27777772).

The spelling of 25725020 in words is "twenty-five million, seven hundred twenty-five thousand, twenty".