25837480 has 16 divisors (see below), whose sum is σ = 58134420. Its totient is φ = 10334976.

The previous prime is 25837417. The next prime is 25837481. The reversal of 25837480 is 8473852.

It can be written as a sum of positive squares in 2 ways, for example, as 24980004 + 857476 = 4998^2 + 926^2 .

It is not an unprimeable number, because it can be changed into a prime (25837481) 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 3 ways as a sum of consecutive naturals, for example, 322929 + ... + 323008.

Almost surely, 2^25837480 is an apocalyptic number.

25837480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25837480 is an abundant number, since it is smaller than the sum of its proper divisors (32296940).

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

25837480 is a wasteful number, since it uses less digits than its factorization.

25837480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645948 (or 645944 counting only the distinct ones).

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

The square root of 25837480 is about 5083.0581346272. The cubic root of 25837480 is about 295.6310535913.

The spelling of 25837480 in words is "twenty-five million, eight hundred thirty-seven thousand, four hundred eighty".