515412463 has 2 divisors, whose sum is σ = 515412464. Its totient is φ = 515412462.

The previous prime is 515412419. The next prime is 515412533. The reversal of 515412463 is 364214515.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 515412463 - 2⁹ = 515411951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515410463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257706231 + 257706232.

It is an arithmetic number, because the mean of its divisors is an integer number (257706232).

Almost surely, 2^515412463 is an apocalyptic number.

515412463 is a deficient number, since it is larger than the sum of its proper divisors (1).

515412463 is an equidigital number, since it uses as much as digits as its factorization.

515412463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 515412463 is about 22702.6972626602. The cubic root of 515412463 is about 801.7733904324.

Adding to 515412463 its reverse (364214515), we get a palindrome (879626978).

The spelling of 515412463 in words is "five hundred fifteen million, four hundred twelve thousand, four hundred sixty-three".