25798032 has 60 divisors (see below), whose sum is σ = 77758044. Its totient is φ = 7937280.

The previous prime is 25798007. The next prime is 25798033. The reversal of 25798032 is 23089752.

It is a happy number.

25798032 is a `hidden beast` number, since 2 + 579 + 80 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 16941456 = 2976^2 + 4116^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25798033) 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, 5019 + ... + 8762.

Almost surely, 2^25798032 is an apocalyptic number.

It is an amenable number.

25798032 is an abundant number, since it is smaller than the sum of its proper divisors (51960012).

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

25798032 is a wasteful number, since it uses less digits than its factorization.

25798032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808 (or 13799 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25798032 is about 5079.1763111749. The cubic root of 25798032 is about 295.4805229933.

It can be divided in two parts, 257 and 98032, that added together give a palindrome (98289).

The spelling of 25798032 in words is "twenty-five million, seven hundred ninety-eight thousand, thirty-two".