511297 has 2 divisors, whose sum is σ = 511298. Its totient is φ = 511296.

The previous prime is 511289. The next prime is 511327. The reversal of 511297 is 792115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505521 + 5776 = 711^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 511297 - 2³ = 511289 is a prime.

It is a super-2 number, since 2×511297² = 522849244418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255648 + 255649.

It is an arithmetic number, because the mean of its divisors is an integer number (255649).

2⁵¹¹²⁹⁷ is an apocalyptic number.

It is an amenable number.

511297 is a deficient number, since it is larger than the sum of its proper divisors (1).

511297 is an equidigital number, since it uses as much as digits as its factorization.

511297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 25.

The square root of 511297 is about 715.0503478777. The cubic root of 511297 is about 79.9633686460.

It can be divided in two parts, 511 and 297, that added together give a palindrome (808).

The spelling of 511297 in words is "five hundred eleven thousand, two hundred ninety-seven".