505871083 has 2 divisors, whose sum is σ = 505871084. Its totient is φ = 505871082.

The previous prime is 505871063. The next prime is 505871117. The reversal of 505871083 is 380178505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505871083 - 2²¹ = 503773931 is a prime.

It is not a weakly prime, because it can be changed into another prime (505871063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252935541 + 252935542.

It is an arithmetic number, because the mean of its divisors is an integer number (252935542).

Almost surely, 2^505871083 is an apocalyptic number.

505871083 is a deficient number, since it is larger than the sum of its proper divisors (1).

505871083 is an equidigital number, since it uses as much as digits as its factorization.

505871083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 505871083 is about 22491.5780460154. The cubic root of 505871083 is about 796.7950331095.

The spelling of 505871083 in words is "five hundred five million, eight hundred seventy-one thousand, eighty-three".