513364943 has 16 divisors (see below), whose sum is σ = 643761216. Its totient is φ = 398511360.

The previous prime is 513364919. The next prime is 513364949. The reversal of 513364943 is 349463315.

It is not a de Polignac number, because 513364943 - 2¹⁰ = 513363919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513364897 and 513364906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513364949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48398 + ... + 58043.

It is an arithmetic number, because the mean of its divisors is an integer number (40235076).

Almost surely, 2^513364943 is an apocalyptic number.

513364943 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

513364943 is a deficient number, since it is larger than the sum of its proper divisors (130396273).

513364943 is a wasteful number, since it uses less digits than its factorization.

513364943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106514.

The product of its digits is 116640, while the sum is 38.

The square root of 513364943 is about 22657.5581870598. The cubic root of 513364943 is about 800.7102770091.

The spelling of 513364943 in words is "five hundred thirteen million, three hundred sixty-four thousand, nine hundred forty-three".