25949120 has 56 divisors (see below), whose sum is σ = 62599824. Its totient is φ = 10244096.

The previous prime is 25949101. The next prime is 25949141. The reversal of 25949120 is 2194952.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 7 ways as a sum of consecutive naturals, for example, 26072 + ... + 27048.

It is an arithmetic number, because the mean of its divisors is an integer number (1117854).

Almost surely, 2^25949120 is an apocalyptic number.

25949120 is a gapful number since it is divisible by the number (20) 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 25949120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31299912).

25949120 is an abundant number, since it is smaller than the sum of its proper divisors (36650704).

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

25949120 is an equidigital number, since it uses as much as digits as its factorization.

25949120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 25949120 is about 5094.0278758562. The cubic root of 25949120 is about 296.0562347503.

The spelling of 25949120 in words is "twenty-five million, nine hundred forty-nine thousand, one hundred twenty".