25480785 has 48 divisors (see below), whose sum is σ = 45581760. Its totient is φ = 12144000.

The previous prime is 25480781. The next prime is 25480787. The reversal of 25480785 is 58708452.

It is not a de Polignac number, because 25480785 - 2² = 25480781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25480781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183246 + ... + 183384.

It is an arithmetic number, because the mean of its divisors is an integer number (949620).

Almost surely, 2^25480785 is an apocalyptic number.

It is an amenable number.

25480785 is a deficient number, since it is larger than the sum of its proper divisors (20100975).

25480785 is a wasteful number, since it uses less digits than its factorization.

25480785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 25480785 is about 5047.8495421318. The cubic root of 25480785 is about 294.2643164199.

The spelling of 25480785 in words is "twenty-five million, four hundred eighty thousand, seven hundred eighty-five".