25726783 has 4 divisors (see below), whose sum is σ = 26212248. Its totient is φ = 25241320.

The previous prime is 25726777. The next prime is 25726801. The reversal of 25726783 is 38762752.

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 25726783 - 2⁵ = 25726751 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 (25726483) 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, 242653 + ... + 242758.

It is an arithmetic number, because the mean of its divisors is an integer number (6553062).

Almost surely, 2^25726783 is an apocalyptic number.

25726783 is a deficient number, since it is larger than the sum of its proper divisors (485465).

25726783 is an equidigital number, since it uses as much as digits as its factorization.

25726783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485464.

The product of its digits is 141120, while the sum is 40.

The square root of 25726783 is about 5072.1576276768. The cubic root of 25726783 is about 295.2082528361.

The spelling of 25726783 in words is "twenty-five million, seven hundred twenty-six thousand, seven hundred eighty-three".