515050093 has 2 divisors, whose sum is σ = 515050094. Its totient is φ = 515050092.

The previous prime is 515050079. The next prime is 515050103. The reversal of 515050093 is 390050515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344956329 + 170093764 = 18573^2 + 13042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-515050093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515050013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257525046 + 257525047.

It is an arithmetic number, because the mean of its divisors is an integer number (257525047).

Almost surely, 2^515050093 is an apocalyptic number.

It is an amenable number.

515050093 is a deficient number, since it is larger than the sum of its proper divisors (1).

515050093 is an equidigital number, since it uses as much as digits as its factorization.

515050093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 515050093 is about 22694.7150896415. The cubic root of 515050093 is about 801.5854459798.

The spelling of 515050093 in words is "five hundred fifteen million, fifty thousand, ninety-three".