515134469 has 2 divisors, whose sum is σ = 515134470. Its totient is φ = 515134468.

The previous prime is 515134463. The next prime is 515134483. The reversal of 515134469 is 964431515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261210244 + 253924225 = 16162^2 + 15935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-515134469 is a prime.

It is a super-2 number, since 2×515134469² = 530727042303823922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515134463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257567234 + 257567235.

It is an arithmetic number, because the mean of its divisors is an integer number (257567235).

Almost surely, 2^515134469 is an apocalyptic number.

It is an amenable number.

515134469 is a deficient number, since it is larger than the sum of its proper divisors (1).

515134469 is an equidigital number, since it uses as much as digits as its factorization.

515134469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 515134469 is about 22696.5739485060. The cubic root of 515134469 is about 801.6292157552.

The spelling of 515134469 in words is "five hundred fifteen million, one hundred thirty-four thousand, four hundred sixty-nine".