249881341 has 4 divisors (see below), whose sum is σ = 250108992. Its totient is φ = 249653692.

The previous prime is 249881339. The next prime is 249881353. The reversal of 249881341 is 143188942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 249881341 - 2¹ = 249881339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249881294 and 249881303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249881311) 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, 112171 + ... + 114376.

It is an arithmetic number, because the mean of its divisors is an integer number (62527248).

Almost surely, 2^249881341 is an apocalyptic number.

It is an amenable number.

249881341 is a deficient number, since it is larger than the sum of its proper divisors (227651).

249881341 is a wasteful number, since it uses less digits than its factorization.

249881341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227650.

The product of its digits is 55296, while the sum is 40.

The square root of 249881341 is about 15807.6355284400. The cubic root of 249881341 is about 629.8608418601.

The spelling of 249881341 in words is "two hundred forty-nine million, eight hundred eighty-one thousand, three hundred forty-one".