505241533 has 2 divisors, whose sum is σ = 505241534. Its totient is φ = 505241532.

The previous prime is 505241431. The next prime is 505241557. The reversal of 505241533 is 335142505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478646884 + 26594649 = 21878^2 + 5157^2 .

It is a cyclic number.

It is not a de Polignac number, because 505241533 - 2⁹ = 505241021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505281533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252620766 + 252620767.

It is an arithmetic number, because the mean of its divisors is an integer number (252620767).

Almost surely, 2^505241533 is an apocalyptic number.

It is an amenable number.

505241533 is a deficient number, since it is larger than the sum of its proper divisors (1).

505241533 is an equidigital number, since it uses as much as digits as its factorization.

505241533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 505241533 is about 22477.5784505360. The cubic root of 505241533 is about 796.4643622057.

The spelling of 505241533 in words is "five hundred five million, two hundred forty-one thousand, five hundred thirty-three".