515414113 has 2 divisors, whose sum is σ = 515414114. Its totient is φ = 515414112.

The previous prime is 515414111. The next prime is 515414117. The reversal of 515414113 is 311414515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267257104 + 248157009 = 16348^2 + 15753^2 .

It is a cyclic number.

It is not a de Polignac number, because 515414113 - 2¹ = 515414111 is a prime.

Together with 515414111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (515414111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257707056 + 257707057.

It is an arithmetic number, because the mean of its divisors is an integer number (257707057).

Almost surely, 2^515414113 is an apocalyptic number.

It is an amenable number.

515414113 is a deficient number, since it is larger than the sum of its proper divisors (1).

515414113 is an equidigital number, since it uses as much as digits as its factorization.

515414113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 515414113 is about 22702.7336019256. The cubic root of 515414113 is about 801.7742460091.

Adding to 515414113 its reverse (311414515), we get a palindrome (826828628).

The spelling of 515414113 in words is "five hundred fifteen million, four hundred fourteen thousand, one hundred thirteen".