244973313 has 12 divisors (see below), whose sum is σ = 381069780. Its totient is φ = 150752736.

The previous prime is 244973303. The next prime is 244973329. The reversal of 244973313 is 313379442.

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 195524289 = 7032^2 + 13983^2 .

It is not a de Polignac number, because 244973313 - 2¹⁰ = 244972289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244973303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1046778 + ... + 1047011.

It is an arithmetic number, because the mean of its divisors is an integer number (31755815).

Almost surely, 2^244973313 is an apocalyptic number.

It is an amenable number.

244973313 is a deficient number, since it is larger than the sum of its proper divisors (136096467).

244973313 is a wasteful number, since it uses less digits than its factorization.

244973313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093808 (or 2093805 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 244973313 is about 15651.6233343382. The cubic root of 244973313 is about 625.7097541201.

The spelling of 244973313 in words is "two hundred forty-four million, nine hundred seventy-three thousand, three hundred thirteen".