25573360 has 80 divisors (see below), whose sum is σ = 62763840. Its totient is φ = 9676800.

The previous prime is 25573351. The next prime is 25573363. The reversal of 25573360 is 6337552.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25573363) 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 15 ways as a sum of consecutive naturals, for example, 169285 + ... + 169435.

It is an arithmetic number, because the mean of its divisors is an integer number (784548).

Almost surely, 2^25573360 is an apocalyptic number.

25573360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

25573360 is the 2920-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25573360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31381920).

25573360 is an abundant number, since it is smaller than the sum of its proper divisors (37190480).

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

25573360 is a wasteful number, since it uses less digits than its factorization.

25573360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 25573360 is about 5057.0109748744. The cubic root of 25573360 is about 294.6202525349.

The spelling of 25573360 in words is "twenty-five million, five hundred seventy-three thousand, three hundred sixty".