505674473 has 2 divisors, whose sum is σ = 505674474. Its totient is φ = 505674472.

The previous prime is 505674439. The next prime is 505674487. The reversal of 505674473 is 374476505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356907664 + 148766809 = 18892^2 + 12197^2 .

It is a cyclic number.

It is not a de Polignac number, because 505674473 - 2⁶ = 505674409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505674473.

It is not a weakly prime, because it can be changed into another prime (505674373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252837236 + 252837237.

It is an arithmetic number, because the mean of its divisors is an integer number (252837237).

Almost surely, 2^505674473 is an apocalyptic number.

It is an amenable number.

505674473 is a deficient number, since it is larger than the sum of its proper divisors (1).

505674473 is an equidigital number, since it uses as much as digits as its factorization.

505674473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 505674473 is about 22487.2068741318. The cubic root of 505674473 is about 796.6917932548.

The spelling of 505674473 in words is "five hundred five million, six hundred seventy-four thousand, four hundred seventy-three".