505050493 has 2 divisors, whose sum is σ = 505050494. Its totient is φ = 505050492.

The previous prime is 505050463. The next prime is 505050517. The reversal of 505050493 is 394050505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474281284 + 30769209 = 21778^2 + 5547^2 .

It is a cyclic number.

It is not a de Polignac number, because 505050493 - 2¹⁷ = 504919421 is a prime.

It is equal to p_26607541 and since 505050493 and 26607541 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505050463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525246 + 252525247.

It is an arithmetic number, because the mean of its divisors is an integer number (252525247).

Almost surely, 2^505050493 is an apocalyptic number.

It is an amenable number.

505050493 is a deficient number, since it is larger than the sum of its proper divisors (1).

505050493 is an equidigital number, since it uses as much as digits as its factorization.

505050493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 505050493 is about 22473.3284806679. The cubic root of 505050493 is about 796.3639641958.

The spelling of 505050493 in words is "five hundred five million, fifty thousand, four hundred ninety-three".