513353143 has 2 divisors, whose sum is σ = 513353144. Its totient is φ = 513353142.

The previous prime is 513353101. The next prime is 513353147. The reversal of 513353143 is 341353315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513353143 - 2²¹ = 511255991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513353147) 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, 256676571 + 256676572.

It is an arithmetic number, because the mean of its divisors is an integer number (256676572).

Almost surely, 2^513353143 is an apocalyptic number.

513353143 is a deficient number, since it is larger than the sum of its proper divisors (1).

513353143 is an equidigital number, since it uses as much as digits as its factorization.

513353143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 28.

The square root of 513353143 is about 22657.2977868059. The cubic root of 513353143 is about 800.7041420273.

The spelling of 513353143 in words is "five hundred thirteen million, three hundred fifty-three thousand, one hundred forty-three".