513033049 has 2 divisors, whose sum is σ = 513033050. Its totient is φ = 513033048.

The previous prime is 513033047. The next prime is 513033071. The reversal of 513033049 is 940330315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389667600 + 123365449 = 19740^2 + 11107^2 .

It is a cyclic number.

It is not a de Polignac number, because 513033049 - 2¹ = 513033047 is a prime.

Together with 513033047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (513033047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256516524 + 256516525.

It is an arithmetic number, because the mean of its divisors is an integer number (256516525).

Almost surely, 2^513033049 is an apocalyptic number.

It is an amenable number.

513033049 is a deficient number, since it is larger than the sum of its proper divisors (1).

513033049 is an equidigital number, since it uses as much as digits as its factorization.

513033049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 513033049 is about 22650.2328685601. The cubic root of 513033049 is about 800.5376848919.

The spelling of 513033049 in words is "five hundred thirteen million, thirty-three thousand, forty-nine".