25985232 has 160 divisors (see below), whose sum is σ = 91938560. Its totient is φ = 6842880.

The previous prime is 25985209. The next prime is 25985249. The reversal of 25985232 is 23258952.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38982 + ... + 39642.

It is an arithmetic number, because the mean of its divisors is an integer number (574616).

Almost surely, 2^25985232 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 25985232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45969280).

25985232 is an abundant number, since it is smaller than the sum of its proper divisors (65953328).

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

25985232 is a wasteful number, since it uses less digits than its factorization.

25985232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 686 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 25985232 is about 5097.5711863592. The cubic root of 25985232 is about 296.1935062921.

It can be divided in two parts, 259 and 85232, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 25985232 in words is "twenty-five million, nine hundred eighty-five thousand, two hundred thirty-two".