250849983 has 16 divisors (see below), whose sum is σ = 349376256. Its totient is φ = 159793920.

The previous prime is 250849981. The next prime is 250849997. The reversal of 250849983 is 389948052.

It is not a de Polignac number, because 250849983 - 2¹ = 250849981 is a prime.

It is a super-2 number, since 2×250849983² = 125851427942200578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250849981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119503 + ... + 121583.

It is an arithmetic number, because the mean of its divisors is an integer number (21836016).

Almost surely, 2^250849983 is an apocalyptic number.

250849983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

250849983 is a deficient number, since it is larger than the sum of its proper divisors (98526273).

250849983 is a wasteful number, since it uses less digits than its factorization.

250849983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 250849983 is about 15838.2443155799. The cubic root of 250849983 is about 630.6736583379.

The spelling of 250849983 in words is "two hundred fifty million, eight hundred forty-nine thousand, nine hundred eighty-three".