25783263 has 24 divisors (see below), whose sum is σ = 40946256. Its totient is φ = 15504000.

The previous prime is 25783259. The next prime is 25783327. The reversal of 25783263 is 36238752.

It is not a de Polignac number, because 25783263 - 2² = 25783259 is a prime.

It is a super-3 number, since 3×25783263³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25783243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12613 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (1706094).

Almost surely, 2^25783263 is an apocalyptic number.

25783263 is a deficient number, since it is larger than the sum of its proper divisors (15162993).

25783263 is a wasteful number, since it uses less digits than its factorization.

25783263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2052 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25783263 is about 5077.7222255653. The cubic root of 25783263 is about 295.4241261219.

The spelling of 25783263 in words is "twenty-five million, seven hundred eighty-three thousand, two hundred sixty-three".