501273793 has 2 divisors, whose sum is σ = 501273794. Its totient is φ = 501273792.

The previous prime is 501273791. The next prime is 501273797. The reversal of 501273793 is 397372105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497825344 + 3448449 = 22312^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 501273793 - 2¹ = 501273791 is a prime.

Together with 501273791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (501273791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250636896 + 250636897.

It is an arithmetic number, because the mean of its divisors is an integer number (250636897).

Almost surely, 2^501273793 is an apocalyptic number.

It is an amenable number.

501273793 is a deficient number, since it is larger than the sum of its proper divisors (1).

501273793 is an equidigital number, since it uses as much as digits as its factorization.

501273793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 501273793 is about 22389.1445347963. The cubic root of 501273793 is about 794.3739612121.

The spelling of 501273793 in words is "five hundred one million, two hundred seventy-three thousand, seven hundred ninety-three".