25920324 has 48 divisors (see below), whose sum is σ = 68053440. Its totient is φ = 8637192.

The previous prime is 25920289. The next prime is 25920341. The reversal of 25920324 is 42302952.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7267 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (1417780).

Almost surely, 2^25920324 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 25920324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34026720).

25920324 is an abundant number, since it is smaller than the sum of its proper divisors (42133116).

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

25920324 is an equidigital number, since it uses as much as digits as its factorization.

25920324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25920324 is about 5091.2006442489. The cubic root of 25920324 is about 295.9466820206.

It can be divided in two parts, 25920 and 324, that added together give a square (26244 = 162²).

The spelling of 25920324 in words is "twenty-five million, nine hundred twenty thousand, three hundred twenty-four".