506371769 has 2 divisors, whose sum is σ = 506371770. Its totient is φ = 506371768.

The previous prime is 506371753. The next prime is 506371777. The reversal of 506371769 is 967173605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359671225 + 146700544 = 18965^2 + 12112^2 .

It is a cyclic number.

It is not a de Polignac number, because 506371769 - 2⁴ = 506371753 is a prime.

It is a super-2 number, since 2×506371769² = 512824736880378722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506371709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253185884 + 253185885.

It is an arithmetic number, because the mean of its divisors is an integer number (253185885).

Almost surely, 2^506371769 is an apocalyptic number.

It is an amenable number.

506371769 is a deficient number, since it is larger than the sum of its proper divisors (1).

506371769 is an equidigital number, since it uses as much as digits as its factorization.

506371769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 506371769 is about 22502.7058150792. The cubic root of 506371769 is about 797.0578224415.

The spelling of 506371769 in words is "five hundred six million, three hundred seventy-one thousand, seven hundred sixty-nine".