25949322 has 80 divisors (see below), whose sum is σ = 67953600. Its totient is φ = 7398216.

The previous prime is 25949317. The next prime is 25949323. The reversal of 25949322 is 22394952.

It is not an unprimeable number, because it can be changed into a prime (25949323) 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 39 ways as a sum of consecutive naturals, for example, 55333 + ... + 55799.

It is an arithmetic number, because the mean of its divisors is an integer number (849420).

Almost surely, 2^25949322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25949322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33976800).

25949322 is an abundant number, since it is smaller than the sum of its proper divisors (42004278).

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

25949322 is an equidigital number, since it uses as much as digits as its factorization.

25949322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 479 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25949322 is about 5094.0477029569. The cubic root of 25949322 is about 296.0570029614.

The spelling of 25949322 in words is "twenty-five million, nine hundred forty-nine thousand, three hundred twenty-two".