513914243 has 4 divisors (see below), whose sum is σ = 516158640. Its totient is φ = 511669848.

The previous prime is 513914239. The next prime is 513914251. The reversal of 513914243 is 342419315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513914243 - 2² = 513914239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513914273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121855 + ... + 1122312.

It is an arithmetic number, because the mean of its divisors is an integer number (129039660).

Almost surely, 2^513914243 is an apocalyptic number.

513914243 is a deficient number, since it is larger than the sum of its proper divisors (2244397).

513914243 is a wasteful number, since it uses less digits than its factorization.

513914243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244396.

The product of its digits is 12960, while the sum is 32.

The square root of 513914243 is about 22669.6767290581. The cubic root of 513914243 is about 800.9957616218.

The spelling of 513914243 in words is "five hundred thirteen million, nine hundred fourteen thousand, two hundred forty-three".