506447057 has 2 divisors, whose sum is σ = 506447058. Its totient is φ = 506447056.

The previous prime is 506446987. The next prime is 506447069. The reversal of 506447057 is 750744605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438944401 + 67502656 = 20951^2 + 8216^2 .

It is a cyclic number.

It is not a de Polignac number, because 506447057 - 2¹⁰ = 506446033 is a prime.

It is a super-2 number, since 2×506447057² = 512977243087922498, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506447057.

It is not a weakly prime, because it can be changed into another prime (506447257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253223528 + 253223529.

It is an arithmetic number, because the mean of its divisors is an integer number (253223529).

Almost surely, 2^506447057 is an apocalyptic number.

It is an amenable number.

506447057 is a deficient number, since it is larger than the sum of its proper divisors (1).

506447057 is an equidigital number, since it uses as much as digits as its factorization.

506447057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 506447057 is about 22504.3786183934. The cubic root of 506447057 is about 797.0973230082.

The spelling of 506447057 in words is "five hundred six million, four hundred forty-seven thousand, fifty-seven".