501355013 has 2 divisors, whose sum is σ = 501355014. Its totient is φ = 501355012.

The previous prime is 501355009. The next prime is 501355091. The reversal of 501355013 is 310553105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314814049 + 186540964 = 17743^2 + 13658^2 .

It is a cyclic number.

It is not a de Polignac number, because 501355013 - 2² = 501355009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501355013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501355003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250677506 + 250677507.

It is an arithmetic number, because the mean of its divisors is an integer number (250677507).

Almost surely, 2^501355013 is an apocalyptic number.

It is an amenable number.

501355013 is a deficient number, since it is larger than the sum of its proper divisors (1).

501355013 is an equidigital number, since it uses as much as digits as its factorization.

501355013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 501355013 is about 22390.9582867728. The cubic root of 501355013 is about 794.4168622971.

The spelling of 501355013 in words is "five hundred one million, three hundred fifty-five thousand, thirteen".