511213163 has 2 divisors, whose sum is σ = 511213164. Its totient is φ = 511213162.

The previous prime is 511213147. The next prime is 511213169. The reversal of 511213163 is 361312115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511213163 - 2⁴ = 511213147 is a prime.

It is a super-2 number, since 2×511213163² = 522677796048929138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511213169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255606581 + 255606582.

It is an arithmetic number, because the mean of its divisors is an integer number (255606582).

Almost surely, 2^511213163 is an apocalyptic number.

511213163 is a deficient number, since it is larger than the sum of its proper divisors (1).

511213163 is an equidigital number, since it uses as much as digits as its factorization.

511213163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 511213163 is about 22610.0235072854. The cubic root of 511213163 is about 799.5899789518.

Adding to 511213163 its reverse (361312115), we get a palindrome (872525278).

The spelling of 511213163 in words is "five hundred eleven million, two hundred thirteen thousand, one hundred sixty-three".