25532892 has 144 divisors (see below), whose sum is σ = 82328064. Its totient is φ = 6480000.

The previous prime is 25532869. The next prime is 25532893. The reversal of 25532892 is 29823552.

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

Its product of digits (43200) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169017 + ... + 169167.

Almost surely, 2^25532892 is an apocalyptic number.

25532892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25532892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41164032).

25532892 is an abundant number, since it is smaller than the sum of its proper divisors (56795172).

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

25532892 is a wasteful number, since it uses less digits than its factorization.

25532892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 235 counting only the distinct ones).

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

The square root of 25532892 is about 5053.0082129361. The cubic root of 25532892 is about 294.4647653815.

It can be divided in two parts, 2553 and 2892, that added together give a palindrome (5445).

The spelling of 25532892 in words is "twenty-five million, five hundred thirty-two thousand, eight hundred ninety-two".