513062243 has 4 divisors (see below), whose sum is σ = 516134640. Its totient is φ = 509989848.

The previous prime is 513062203. The next prime is 513062299. The reversal of 513062243 is 342260315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513062243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513062203) 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, 1535948 + ... + 1536281.

It is an arithmetic number, because the mean of its divisors is an integer number (129033660).

Almost surely, 2^513062243 is an apocalyptic number.

513062243 is a deficient number, since it is larger than the sum of its proper divisors (3072397).

513062243 is a wasteful number, since it uses less digits than its factorization.

513062243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072396.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 513062243 is about 22650.8773119277. The cubic root of 513062243 is about 800.5528693938.

The spelling of 513062243 in words is "five hundred thirteen million, sixty-two thousand, two hundred forty-three".