25182380 has 24 divisors (see below), whose sum is σ = 53781840. Its totient is φ = 9901760.

The previous prime is 25182373. The next prime is 25182383. The reversal of 25182380 is 8328152.

It is not an unprimeable number, because it can be changed into a prime (25182383) 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 7 ways as a sum of consecutive naturals, for example, 9491 + ... + 11850.

It is an arithmetic number, because the mean of its divisors is an integer number (2240910).

Almost surely, 2^25182380 is an apocalyptic number.

25182380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25182380 is an abundant number, since it is smaller than the sum of its proper divisors (28599460).

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

25182380 is a wasteful number, since it uses less digits than its factorization.

25182380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21409 (or 21407 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 25182380 is about 5018.2048583134. The cubic root of 25182380 is about 293.1110948679. Note that the first 3 decimals are identical.

The spelling of 25182380 in words is "twenty-five million, one hundred eighty-two thousand, three hundred eighty".