505441523 has 2 divisors, whose sum is σ = 505441524. Its totient is φ = 505441522.

The previous prime is 505441513. The next prime is 505441567. The reversal of 505441523 is 325144505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505441523 - 2⁴ = 505441507 is a prime.

It is a super-2 number, since 2×505441523² = 510942266345119058, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (505441513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252720761 + 252720762.

It is an arithmetic number, because the mean of its divisors is an integer number (252720762).

Almost surely, 2^505441523 is an apocalyptic number.

505441523 is a deficient number, since it is larger than the sum of its proper divisors (1).

505441523 is an equidigital number, since it uses as much as digits as its factorization.

505441523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 505441523 is about 22482.0266657613. The cubic root of 505441523 is about 796.5694366341.

The spelling of 505441523 in words is "five hundred five million, four hundred forty-one thousand, five hundred twenty-three".