25323900 has 144 divisors (see below), whose sum is σ = 86661120. Its totient is φ = 5587200.

The previous prime is 25323871. The next prime is 25323901. The reversal of 25323900 is 932352.

It is a super-2 number, since 2×25323900² = 1282599822420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64906 + ... + 65294.

Almost surely, 2^25323900 is an apocalyptic number.

25323900 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 25323900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43330560).

25323900 is an abundant number, since it is smaller than the sum of its proper divisors (61337220).

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

25323900 is a wasteful number, since it uses less digits than its factorization.

25323900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 25323900 is about 5032.2857629511. The cubic root of 25323900 is about 293.6591449818.

The spelling of 25323900 in words is "twenty-five million, three hundred twenty-three thousand, nine hundred".