513424291 has 2 divisors, whose sum is σ = 513424292. Its totient is φ = 513424290.

The previous prime is 513424279. The next prime is 513424319. The reversal of 513424291 is 192424315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513424291 - 2¹¹ = 513422243 is a prime.

It is not a weakly prime, because it can be changed into another prime (513424211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256712145 + 256712146.

It is an arithmetic number, because the mean of its divisors is an integer number (256712146).

Almost surely, 2^513424291 is an apocalyptic number.

513424291 is a deficient number, since it is larger than the sum of its proper divisors (1).

513424291 is an equidigital number, since it uses as much as digits as its factorization.

513424291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 513424291 is about 22658.8678225546. The cubic root of 513424291 is about 800.7411314224.

The spelling of 513424291 in words is "five hundred thirteen million, four hundred twenty-four thousand, two hundred ninety-one".