25085823 has 16 divisors (see below), whose sum is σ = 38854656. Its totient is φ = 14099040.

The previous prime is 25085779. The next prime is 25085831. The reversal of 25085823 is 32858052.

It is not a de Polignac number, because 25085823 - 2⁶ = 25085759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25085873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8511 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (2428416).

Almost surely, 2^25085823 is an apocalyptic number.

25085823 is a deficient number, since it is larger than the sum of its proper divisors (13768833).

25085823 is a wasteful number, since it uses less digits than its factorization.

25085823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 25085823 is about 5008.5749470283. The cubic root of 25085823 is about 292.7359889671.

The spelling of 25085823 in words is "twenty-five million, eighty-five thousand, eight hundred twenty-three".