25583485 has 8 divisors (see below), whose sum is σ = 30798936. Its totient is φ = 20400960.

The previous prime is 25583479. The next prime is 25583489. The reversal of 25583485 is 58438552.

It can be written as a sum of positive squares in 4 ways, for example, as 121 + 25583364 = 11^2 + 5058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25583485 - 2⁷ = 25583357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25583489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6486 + ... + 9655.

It is an arithmetic number, because the mean of its divisors is an integer number (3849867).

Almost surely, 2^25583485 is an apocalyptic number.

It is an amenable number.

25583485 is a deficient number, since it is larger than the sum of its proper divisors (5215451).

25583485 is a wasteful number, since it uses less digits than its factorization.

25583485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16463.

The product of its digits is 192000, while the sum is 40.

The square root of 25583485 is about 5058.0119612354. The cubic root of 25583485 is about 294.6591294035.

The spelling of 25583485 in words is "twenty-five million, five hundred eighty-three thousand, four hundred eighty-five".