25999485 has 16 divisors (see below), whose sum is σ = 41705664. Its totient is φ = 13830912.

The previous prime is 25999459. The next prime is 25999489. The reversal of 25999485 is 58499952.

It is not a de Polignac number, because 25999485 - 2⁸ = 25999229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25999489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4494 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (2606604).

Almost surely, 2^25999485 is an apocalyptic number.

It is an amenable number.

25999485 is a deficient number, since it is larger than the sum of its proper divisors (15706179).

25999485 is a wasteful number, since it uses less digits than its factorization.

25999485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444.

The product of its digits is 1166400, while the sum is 51.

The square root of 25999485 is about 5098.9690134379. The cubic root of 25999485 is about 296.2476508208.

The spelling of 25999485 in words is "twenty-five million, nine hundred ninety-nine thousand, four hundred eighty-five".