25313832 has 72 divisors (see below), whose sum is σ = 70430490. Its totient is φ = 8212800.

The previous prime is 25313801. The next prime is 25313837. The reversal of 25313832 is 23831352.

It can be written as a sum of positive squares in only one way, i.e., 15163236 + 10150596 = 3894^2 + 3186^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 25313796 and 25313805.

It is not an unprimeable number, because it can be changed into a prime (25313837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 250582 + ... + 250682.

Almost surely, 2^25313832 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 25313832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35215245).

25313832 is an abundant number, since it is smaller than the sum of its proper divisors (45116658).

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

25313832 is a wasteful number, since it uses less digits than its factorization.

25313832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 165 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 25313832 is about 5031.2853228574. The cubic root of 25313832 is about 293.6202232232.

The spelling of 25313832 in words is "twenty-five million, three hundred thirteen thousand, eight hundred thirty-two".