25323400 has 48 divisors (see below), whose sum is σ = 60012900. Its totient is φ = 9934080.

The previous prime is 25323377. The next prime is 25323401. The reversal of 25323400 is 432352.

It can be written as a sum of positive squares in 6 ways, for example, as 8398404 + 16924996 = 2898^2 + 4114^2 .

It is not an unprimeable number, because it can be changed into a prime (25323401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9406 + ... + 11794.

Almost surely, 2^25323400 is an apocalyptic number.

25323400 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 25323400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30006450).

25323400 is an abundant number, since it is smaller than the sum of its proper divisors (34689500).

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

25323400 is a wasteful number, since it uses less digits than its factorization.

25323400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2449 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 25323400 is about 5032.2360834921. The cubic root of 25323400 is about 293.6572122814.

Adding to 25323400 its reverse (432352), we get a palindrome (25755752).

It can be divided in two parts, 253 and 23400, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 25323400 in words is "twenty-five million, three hundred twenty-three thousand, four hundred".