513650243 has 8 divisors (see below), whose sum is σ = 530191200. Its totient is φ = 497249280.

The previous prime is 513650213. The next prime is 513650273. The reversal of 513650243 is 342056315.

It is an interprime number because it is at equal distance from previous prime (513650213) and next prime (513650273).

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 513650243 - 2¹⁶ = 513584707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513650213) 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 in 7 ways as a sum of consecutive naturals, for example, 27518 + ... + 42243.

It is an arithmetic number, because the mean of its divisors is an integer number (66273900).

Almost surely, 2^513650243 is an apocalyptic number.

513650243 is a deficient number, since it is larger than the sum of its proper divisors (16540957).

513650243 is a wasteful number, since it uses less digits than its factorization.

513650243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69997.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 513650243 is about 22663.8532249042. The cubic root of 513650243 is about 800.8585797838.

The spelling of 513650243 in words is "five hundred thirteen million, six hundred fifty thousand, two hundred forty-three".