25800372 has 72 divisors (see below), whose sum is σ = 72694440. Its totient is φ = 7660800.

The previous prime is 25800371. The next prime is 25800389. The reversal of 25800372 is 27300852.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 25765776 = 186^2 + 5076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25800371) by changing a digit.

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, 12622 + ... + 14522.

It is an arithmetic number, because the mean of its divisors is an integer number (1009645).

Almost surely, 2^25800372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25800372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36347220).

25800372 is an abundant number, since it is smaller than the sum of its proper divisors (46894068).

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

25800372 is a wasteful number, since it uses less digits than its factorization.

25800372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25800372 is about 5079.4066582624. The cubic root of 25800372 is about 295.4894565367.

The spelling of 25800372 in words is "twenty-five million, eight hundred thousand, three hundred seventy-two".