505495537 has 2 divisors, whose sum is σ = 505495538. Its totient is φ = 505495536.

The previous prime is 505495531. The next prime is 505495553. The reversal of 505495537 is 735594505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505305441 + 190096 = 22479^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 505495537 - 2⁷ = 505495409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505495493 and 505495502.

It is not a weakly prime, because it can be changed into another prime (505495531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252747768 + 252747769.

It is an arithmetic number, because the mean of its divisors is an integer number (252747769).

Almost surely, 2^505495537 is an apocalyptic number.

It is an amenable number.

505495537 is a deficient number, since it is larger than the sum of its proper divisors (1).

505495537 is an equidigital number, since it uses as much as digits as its factorization.

505495537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472500, while the sum is 43.

The square root of 505495537 is about 22483.2279043735. The cubic root of 505495537 is about 796.5978107500.

The spelling of 505495537 in words is "five hundred five million, four hundred ninety-five thousand, five hundred thirty-seven".