249741341 has 4 divisors (see below), whose sum is σ = 252316092. Its totient is φ = 247166592.

The previous prime is 249741299. The next prime is 249741389. The reversal of 249741341 is 143147942.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49632025 + 200109316 = 7045^2 + 14146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249741341 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 (249771341) 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, 1287230 + ... + 1287423.

It is an arithmetic number, because the mean of its divisors is an integer number (63079023).

Almost surely, 2^249741341 is an apocalyptic number.

It is an amenable number.

249741341 is a deficient number, since it is larger than the sum of its proper divisors (2574751).

249741341 is an equidigital number, since it uses as much as digits as its factorization.

249741341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574750.

The product of its digits is 24192, while the sum is 35.

The square root of 249741341 is about 15803.2066682683. The cubic root of 249741341 is about 629.7431900301.

The spelling of 249741341 in words is "two hundred forty-nine million, seven hundred forty-one thousand, three hundred forty-one".