25432000 has 168 divisors, whose sum is σ = 72987408. Its totient is φ = 8704000.

The previous prime is 25431971. The next prime is 25432003. The reversal of 25432000 is 23452.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1495992 + ... + 1496008.

Almost surely, 2^25432000 is an apocalyptic number.

25432000 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 25432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36493704).

25432000 is an abundant number, since it is smaller than the sum of its proper divisors (47555408).

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

25432000 is a wasteful number, since it uses less digits than its factorization.

25432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25432000 is about 5043.0149712251. The cubic root of 25432000 is about 294.0763989214.

Adding to 25432000 its reverse (23452), we get a palindrome (25455452).

The spelling of 25432000 in words is "twenty-five million, four hundred thirty-two thousand".