513036427 has 2 divisors, whose sum is σ = 513036428. Its totient is φ = 513036426.

The previous prime is 513036401. The next prime is 513036437. The reversal of 513036427 is 724630315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513036427 is a prime.

It is not a weakly prime, because it can be changed into another prime (513036437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256518213 + 256518214.

It is an arithmetic number, because the mean of its divisors is an integer number (256518214).

Almost surely, 2^513036427 is an apocalyptic number.

513036427 is a deficient number, since it is larger than the sum of its proper divisors (1).

513036427 is an equidigital number, since it uses as much as digits as its factorization.

513036427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 513036427 is about 22650.3074372071. The cubic root of 513036427 is about 800.5394419005.

The spelling of 513036427 in words is "five hundred thirteen million, thirty-six thousand, four hundred twenty-seven".