513161143 has 8 divisors (see below), whose sum is σ = 560198016. Its totient is φ = 466188600.

The previous prime is 513161113. The next prime is 513161147. The reversal of 513161143 is 341161315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513161143 - 2²¹ = 511063991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513161147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 32068.

It is an arithmetic number, because the mean of its divisors is an integer number (70024752).

Almost surely, 2^513161143 is an apocalyptic number.

513161143 is a deficient number, since it is larger than the sum of its proper divisors (47036873).

513161143 is a wasteful number, since it uses less digits than its factorization.

513161143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32165.

The product of its digits is 1080, while the sum is 25.

The square root of 513161143 is about 22653.0603451278. The cubic root of 513161143 is about 800.6043053830.

The spelling of 513161143 in words is "five hundred thirteen million, one hundred sixty-one thousand, one hundred forty-three".