25965432 has 48 divisors (see below), whose sum is σ = 71828640. Its totient is φ = 8469888.

The previous prime is 25965431. The next prime is 25965437. The reversal of 25965432 is 23456952.

25965432 is a `hidden beast` number, since 25 + 96 + 543 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25965431) 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, 453 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (1496430).

Almost surely, 2^25965432 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 25965432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35914320).

25965432 is an abundant number, since it is smaller than the sum of its proper divisors (45863208).

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

25965432 is a wasteful number, since it uses less digits than its factorization.

25965432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732 (or 7725 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 25965432 is about 5095.6287148889. The cubic root of 25965432 is about 296.1182568631.

The spelling of 25965432 in words is "twenty-five million, nine hundred sixty-five thousand, four hundred thirty-two".