515051093 has 2 divisors, whose sum is σ = 515051094. Its totient is φ = 515051092.

The previous prime is 515051083. The next prime is 515051161. The reversal of 515051093 is 390150515.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432931249 + 82119844 = 20807^2 + 9062^2 .

It is a cyclic number.

It is not a de Polignac number, because 515051093 - 2⁴ = 515051077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515051003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257525546 + 257525547.

It is an arithmetic number, because the mean of its divisors is an integer number (257525547).

Almost surely, 2^515051093 is an apocalyptic number.

It is an amenable number.

515051093 is a deficient number, since it is larger than the sum of its proper divisors (1).

515051093 is an equidigital number, since it uses as much as digits as its factorization.

515051093 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 29.

The square root of 515051093 is about 22694.7371211918. The cubic root of 515051093 is about 801.5859647546.

The spelling of 515051093 in words is "five hundred fifteen million, fifty-one thousand, ninety-three".