505432537 has 2 divisors, whose sum is σ = 505432538. Its totient is φ = 505432536.

The previous prime is 505432517. The next prime is 505432549. The reversal of 505432537 is 735234505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256928841 + 248503696 = 16029^2 + 15764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505432537 is a prime.

It is not a weakly prime, because it can be changed into another prime (505432517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252716268 + 252716269.

It is an arithmetic number, because the mean of its divisors is an integer number (252716269).

Almost surely, 2^505432537 is an apocalyptic number.

It is an amenable number.

505432537 is a deficient number, since it is larger than the sum of its proper divisors (1).

505432537 is an equidigital number, since it uses as much as digits as its factorization.

505432537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 505432537 is about 22481.8268163421. The cubic root of 505432537 is about 796.5647159987.

The spelling of 505432537 in words is "five hundred five million, four hundred thirty-two thousand, five hundred thirty-seven".