25916853 has 4 divisors (see below), whose sum is σ = 34555808. Its totient is φ = 17277900.

The previous prime is 25916843. The next prime is 25916939. The reversal of 25916853 is 35861952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25916853 - 2¹⁶ = 25851317 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 (25916843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319473 + ... + 4319478.

It is an arithmetic number, because the mean of its divisors is an integer number (8638952).

Almost surely, 2^25916853 is an apocalyptic number.

It is an amenable number.

25916853 is a deficient number, since it is larger than the sum of its proper divisors (8638955).

25916853 is an equidigital number, since it uses as much as digits as its factorization.

25916853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638954.

The product of its digits is 64800, while the sum is 39.

The square root of 25916853 is about 5090.8597505726. The cubic root of 25916853 is about 295.9334713216.

The spelling of 25916853 in words is "twenty-five million, nine hundred sixteen thousand, eight hundred fifty-three".