25487380 has 24 divisors (see below), whose sum is σ = 53871048. Its totient is φ = 10128768.

The previous prime is 25487377. The next prime is 25487393. The reversal of 25487380 is 8378452.

It can be written as a sum of positive squares in 4 ways, for example, as 4857616 + 20629764 = 2204^2 + 4542^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 7198.

It is an arithmetic number, because the mean of its divisors is an integer number (2244627).

Almost surely, 2^25487380 is an apocalyptic number.

25487380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25487380 is an abundant number, since it is smaller than the sum of its proper divisors (28383668).

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

25487380 is a wasteful number, since it uses less digits than its factorization.

25487380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283 (or 8281 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 25487380 is about 5048.5027483403. The cubic root of 25487380 is about 294.2897016368.

The spelling of 25487380 in words is "twenty-five million, four hundred eighty-seven thousand, three hundred eighty".