515049103 has 2 divisors, whose sum is σ = 515049104. Its totient is φ = 515049102.

The previous prime is 515049083. The next prime is 515049107. The reversal of 515049103 is 301940515.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-515049103 is a prime.

It is a super-2 number, since 2×515049103² = 530551157002209218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515049107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257524551 + 257524552.

It is an arithmetic number, because the mean of its divisors is an integer number (257524552).

Almost surely, 2^515049103 is an apocalyptic number.

515049103 is a deficient number, since it is larger than the sum of its proper divisors (1).

515049103 is an equidigital number, since it uses as much as digits as its factorization.

515049103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 515049103 is about 22694.6932783856. The cubic root of 515049103 is about 801.5849323922.

Adding to 515049103 its reverse (301940515), we get a palindrome (816989618).

The spelling of 515049103 in words is "five hundred fifteen million, forty-nine thousand, one hundred three".