506490577 has 2 divisors, whose sum is σ = 506490578. Its totient is φ = 506490576.

The previous prime is 506490547. The next prime is 506490601. The reversal of 506490577 is 775094605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291692241 + 214798336 = 17079^2 + 14656^2 .

It is a cyclic number.

It is not a de Polignac number, because 506490577 - 2²³ = 498101969 is a prime.

It is not a weakly prime, because it can be changed into another prime (506490527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253245288 + 253245289.

It is an arithmetic number, because the mean of its divisors is an integer number (253245289).

Almost surely, 2^506490577 is an apocalyptic number.

It is an amenable number.

506490577 is a deficient number, since it is larger than the sum of its proper divisors (1).

506490577 is an equidigital number, since it uses as much as digits as its factorization.

506490577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 506490577 is about 22505.3455205647. The cubic root of 506490577 is about 797.1201544055.

The spelling of 506490577 in words is "five hundred six million, four hundred ninety thousand, five hundred seventy-seven".