25943632 has 160 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 9461760.

The previous prime is 25943629. The next prime is 25943641. The reversal of 25943632 is 23634952.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 894594 + ... + 894622.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

Almost surely, 2^25943632 is an apocalyptic number.

25943632 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 25943632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33747840).

25943632 is an abundant number, since it is smaller than the sum of its proper divisors (41552048).

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

25943632 is a wasteful number, since it uses less digits than its factorization.

25943632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 95 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 25943632 is about 5093.4891773714. The cubic root of 25943632 is about 296.0353622227.

It can be divided in two parts, 2594 and 3632, that added together give a palindrome (6226).

The spelling of 25943632 in words is "twenty-five million, nine hundred forty-three thousand, six hundred thirty-two".