513520099 has 2 divisors, whose sum is σ = 513520100. Its totient is φ = 513520098.

The previous prime is 513520013. The next prime is 513520109. The reversal of 513520099 is 990025315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513520099 - 2⁷ = 513519971 is a prime.

It is not a weakly prime, because it can be changed into another prime (513520699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256760049 + 256760050.

It is an arithmetic number, because the mean of its divisors is an integer number (256760050).

Almost surely, 2^513520099 is an apocalyptic number.

513520099 is a deficient number, since it is larger than the sum of its proper divisors (1).

513520099 is an equidigital number, since it uses as much as digits as its factorization.

513520099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 513520099 is about 22660.9818631056. The cubic root of 513520099 is about 800.7909359968.

The spelling of 513520099 in words is "five hundred thirteen million, five hundred twenty thousand, ninety-nine".