25039480 has 32 divisors (see below), whose sum is σ = 56865600. Its totient is φ = 9922176.

The previous prime is 25039477. The next prime is 25039481. The reversal of 25039480 is 8493052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25039481) 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 7 ways as a sum of consecutive naturals, for example, 1489 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (1777050).

Almost surely, 2^25039480 is an apocalyptic number.

25039480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25039480 is an abundant number, since it is smaller than the sum of its proper divisors (31826120).

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

25039480 is a wasteful number, since it uses less digits than its factorization.

25039480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25039480 is about 5003.9464425591. The cubic root of 25039480 is about 292.5556131624. Note that the first 3 decimals are identical.

The spelling of 25039480 in words is "twenty-five million, thirty-nine thousand, four hundred eighty".