25899485 has 8 divisors (see below), whose sum is σ = 31400376. Its totient is φ = 20505600.

The previous prime is 25899481. The next prime is 25899509. The reversal of 25899485 is 58499852.

It can be written as a sum of positive squares in 4 ways, for example, as 386884 + 25512601 = 622^2 + 5051^2 .

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

It is not a de Polignac number, because 25899485 - 2² = 25899481 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 (25899481) 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, 26216 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (3925047).

Almost surely, 2^25899485 is an apocalyptic number.

It is an amenable number.

25899485 is a deficient number, since it is larger than the sum of its proper divisors (5500891).

25899485 is an equidigital number, since it uses as much as digits as its factorization.

25899485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53503.

The product of its digits is 1036800, while the sum is 50.

The square root of 25899485 is about 5089.1536624472. The cubic root of 25899485 is about 295.8673506255.

The spelling of 25899485 in words is "twenty-five million, eight hundred ninety-nine thousand, four hundred eighty-five".