515448079 has 2 divisors, whose sum is σ = 515448080. Its totient is φ = 515448078.

The previous prime is 515448049. The next prime is 515448083. The reversal of 515448079 is 970844515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515448079 - 2⁵ = 515448047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515448019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257724039 + 257724040.

It is an arithmetic number, because the mean of its divisors is an integer number (257724040).

Almost surely, 2^515448079 is an apocalyptic number.

515448079 is a deficient number, since it is larger than the sum of its proper divisors (1).

515448079 is an equidigital number, since it uses as much as digits as its factorization.

515448079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 515448079 is about 22703.4816492978. The cubic root of 515448079 is about 801.7918580387.

The spelling of 515448079 in words is "five hundred fifteen million, four hundred forty-eight thousand, seventy-nine".