25273783 has 4 divisors (see below), whose sum is σ = 25297920. Its totient is φ = 25249648.

The previous prime is 25273769. The next prime is 25273789. The reversal of 25273783 is 38737252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25273783 - 2²¹ = 23176631 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 (25273789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10423 + ... + 12616.

It is an arithmetic number, because the mean of its divisors is an integer number (6324480).

Almost surely, 2^25273783 is an apocalyptic number.

25273783 is a deficient number, since it is larger than the sum of its proper divisors (24137).

25273783 is a wasteful number, since it uses less digits than its factorization.

25273783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24136.

The product of its digits is 70560, while the sum is 37.

The square root of 25273783 is about 5027.3037505208. The cubic root of 25273783 is about 293.4652960253.

The spelling of 25273783 in words is "twenty-five million, two hundred seventy-three thousand, seven hundred eighty-three".