25853783 has 6 divisors (see below), whose sum is σ = 26715672. Its totient is φ = 25018860.

The previous prime is 25853747. The next prime is 25853791. The reversal of 25853783 is 38735852.

It is not a de Polignac number, because 25853783 - 2¹² = 25849687 is a prime.

It is a super-2 number, since 2×25853783² = 1336836190822178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25853783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25853743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12491 + ... + 14412.

It is an arithmetic number, because the mean of its divisors is an integer number (4452612).

Almost surely, 2^25853783 is an apocalyptic number.

25853783 is a deficient number, since it is larger than the sum of its proper divisors (861889).

25853783 is an equidigital number, since it uses as much as digits as its factorization.

25853783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965 (or 26934 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 25853783 is about 5084.6615423251. The cubic root of 25853783 is about 295.6932198670.

The spelling of 25853783 in words is "twenty-five million, eight hundred fifty-three thousand, seven hundred eighty-three".