505829057 has 2 divisors, whose sum is σ = 505829058. Its totient is φ = 505829056.

The previous prime is 505829017. The next prime is 505829089. The reversal of 505829057 is 750928505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500372161 + 5456896 = 22369^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 505829057 - 2⁸ = 505828801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505829017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252914528 + 252914529.

It is an arithmetic number, because the mean of its divisors is an integer number (252914529).

Almost surely, 2^505829057 is an apocalyptic number.

It is an amenable number.

505829057 is a deficient number, since it is larger than the sum of its proper divisors (1).

505829057 is an equidigital number, since it uses as much as digits as its factorization.

505829057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 505829057 is about 22490.6437657974. The cubic root of 505829057 is about 796.7729675170.

The spelling of 505829057 in words is "five hundred five million, eight hundred twenty-nine thousand, fifty-seven".