25459272 has 80 divisors (see below), whose sum is σ = 72200700. Its totient is φ = 8380800.

The previous prime is 25459243. The next prime is 25459327. The reversal of 25459272 is 27295452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24860196 + 599076 = 4986^2 + 774^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65254 + ... + 65642.

Almost surely, 2^25459272 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 25459272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36100350).

25459272 is an abundant number, since it is smaller than the sum of its proper divisors (46741428).

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

25459272 is a wasteful number, since it uses less digits than its factorization.

25459272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 495 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 25459272 is about 5045.7181847582. The cubic root of 25459272 is about 294.1814789582.

The spelling of 25459272 in words is "twenty-five million, four hundred fifty-nine thousand, two hundred seventy-two".