513042227 has 2 divisors, whose sum is σ = 513042228. Its totient is φ = 513042226.

The previous prime is 513042151. The next prime is 513042241. The reversal of 513042227 is 722240315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513042227 - 2¹⁰ = 513041203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513042196 and 513042205.

It is not a weakly prime, because it can be changed into another prime (513042527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256521113 + 256521114.

It is an arithmetic number, because the mean of its divisors is an integer number (256521114).

Almost surely, 2^513042227 is an apocalyptic number.

513042227 is a deficient number, since it is larger than the sum of its proper divisors (1).

513042227 is an equidigital number, since it uses as much as digits as its factorization.

513042227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 513042227 is about 22650.4354704275. The cubic root of 513042227 is about 800.5424586526.

The spelling of 513042227 in words is "five hundred thirteen million, forty-two thousand, two hundred twenty-seven".