25183380 has 72 divisors (see below), whose sum is σ = 72509472. Its totient is φ = 6530496.

The previous prime is 25183363. The next prime is 25183387. The reversal of 25183380 is 8338152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25183387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110827 + ... + 111053.

It is an arithmetic number, because the mean of its divisors is an integer number (1007076).

Almost surely, 2^25183380 is an apocalyptic number.

25183380 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 25183380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36254736).

25183380 is an abundant number, since it is smaller than the sum of its proper divisors (47326092).

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

25183380 is a wasteful number, since it uses less digits than its factorization.

25183380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 25183380 is about 5018.3044945479. The cubic root of 25183380 is about 293.1149746603.

The spelling of 25183380 in words is "twenty-five million, one hundred eighty-three thousand, three hundred eighty".