501317273 has 2 divisors, whose sum is σ = 501317274. Its totient is φ = 501317272.

The previous prime is 501317251. The next prime is 501317279. The reversal of 501317273 is 372713105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417466624 + 83850649 = 20432^2 + 9157^2 .

It is a cyclic number.

It is not a de Polignac number, because 501317273 - 2¹⁸ = 501055129 is a prime.

It is not a weakly prime, because it can be changed into another prime (501317279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250658636 + 250658637.

It is an arithmetic number, because the mean of its divisors is an integer number (250658637).

Almost surely, 2^501317273 is an apocalyptic number.

It is an amenable number.

501317273 is a deficient number, since it is larger than the sum of its proper divisors (1).

501317273 is an equidigital number, since it uses as much as digits as its factorization.

501317273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 501317273 is about 22390.1155200236. The cubic root of 501317273 is about 794.3969282890.

The spelling of 501317273 in words is "five hundred one million, three hundred seventeen thousand, two hundred seventy-three".