244256713 has 4 divisors (see below), whose sum is σ = 244405780. Its totient is φ = 244107648.

The previous prime is 244256689. The next prime is 244256729. The reversal of 244256713 is 317652442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317652442 = 2 ⋅158826221.

It can be written as a sum of positive squares in 2 ways, for example, as 134258569 + 109998144 = 11587^2 + 10488^2 .

It is a cyclic number.

It is not a de Polignac number, because 244256713 - 2⁵ = 244256681 is a prime.

It is a super-2 number, since 2×244256713² = 119322683691128738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244256773) 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, 72048 + ... + 75361.

It is an arithmetic number, because the mean of its divisors is an integer number (61101445).

Almost surely, 2^244256713 is an apocalyptic number.

It is an amenable number.

244256713 is a deficient number, since it is larger than the sum of its proper divisors (149067).

244256713 is a wasteful number, since it uses less digits than its factorization.

244256713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149066.

The product of its digits is 40320, while the sum is 34.

The square root of 244256713 is about 15628.7143745095. The cubic root of 244256713 is about 625.0990460630.

The spelling of 244256713 in words is "two hundred forty-four million, two hundred fifty-six thousand, seven hundred thirteen".