249839083 has 4 divisors (see below), whose sum is σ = 269057488. Its totient is φ = 230620680.

The previous prime is 249839077. The next prime is 249839101. The reversal of 249839083 is 380938942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249839083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249839483) 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, 9609183 + ... + 9609208.

It is an arithmetic number, because the mean of its divisors is an integer number (67264372).

Almost surely, 2^249839083 is an apocalyptic number.

249839083 is a deficient number, since it is larger than the sum of its proper divisors (19218405).

249839083 is a wasteful number, since it uses less digits than its factorization.

249839083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218404.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 249839083 is about 15806.2988393868. The cubic root of 249839083 is about 629.8253341269.

The spelling of 249839083 in words is "two hundred forty-nine million, eight hundred thirty-nine thousand, eighty-three".