513350505 has 12 divisors (see below), whose sum is σ = 889807620. Its totient is φ = 273786912.

The previous prime is 513350477. The next prime is 513350507. The reversal of 513350505 is 505053315.

It can be written as a sum of positive squares in 2 ways, for example, as 179667216 + 333683289 = 13404^2 + 18267^2 .

It is not a de Polignac number, because 513350505 - 2⁵ = 513350473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513350507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5703850 + ... + 5703939.

It is an arithmetic number, because the mean of its divisors is an integer number (74150635).

Almost surely, 2^513350505 is an apocalyptic number.

It is an amenable number.

513350505 is a deficient number, since it is larger than the sum of its proper divisors (376457115).

513350505 is a wasteful number, since it uses less digits than its factorization.

513350505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407800 (or 11407797 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 513350505 is about 22657.2395714924. The cubic root of 513350505 is about 800.7027704821.

The spelling of 513350505 in words is "five hundred thirteen million, three hundred fifty thousand, five hundred five".