25584485 has 4 divisors (see below), whose sum is σ = 30701388. Its totient is φ = 20467584.

The previous prime is 25584463. The next prime is 25584499. The reversal of 25584485 is 58448552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 15856324 = 3119^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 25584485 - 2⁶ = 25584421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558444 + ... + 2558453.

It is an arithmetic number, because the mean of its divisors is an integer number (7675347).

Almost surely, 2^25584485 is an apocalyptic number.

It is an amenable number.

25584485 is a deficient number, since it is larger than the sum of its proper divisors (5116903).

25584485 is an equidigital number, since it uses as much as digits as its factorization.

25584485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116902.

The product of its digits is 256000, while the sum is 41.

The square root of 25584485 is about 5058.1108133373. The cubic root of 25584485 is about 294.6629685376.

The spelling of 25584485 in words is "twenty-five million, five hundred eighty-four thousand, four hundred eighty-five".