500161513 has 2 divisors, whose sum is σ = 500161514. Its totient is φ = 500161512.

The previous prime is 500161481. The next prime is 500161517. The reversal of 500161513 is 315161005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290259369 + 209902144 = 17037^2 + 14488^2 .

It is a cyclic number.

It is not a de Polignac number, because 500161513 - 2⁵ = 500161481 is a prime.

It is not a weakly prime, because it can be changed into another prime (500161517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250080756 + 250080757.

It is an arithmetic number, because the mean of its divisors is an integer number (250080757).

Almost surely, 2^500161513 is an apocalyptic number.

It is an amenable number.

500161513 is a deficient number, since it is larger than the sum of its proper divisors (1).

500161513 is an equidigital number, since it uses as much as digits as its factorization.

500161513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 500161513 is about 22364.2910238621. The cubic root of 500161513 is about 793.7859787523.

It can be divided in two parts, 50016 and 1513, that added together give a square (51529 = 227²).

The spelling of 500161513 in words is "five hundred million, one hundred sixty-one thousand, five hundred thirteen".