513032243 has 16 divisors (see below), whose sum is σ = 560140800. Its totient is φ = 468024480.

The previous prime is 513032173. The next prime is 513032251. The reversal of 513032243 is 342230315.

It is a cyclic number.

It is not a de Polignac number, because 513032243 - 2¹⁴ = 513015859 is a prime.

It is a super-2 number, since 2×513032243² = 526404164715222098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (513032263) 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, 254108 + ... + 256118.

It is an arithmetic number, because the mean of its divisors is an integer number (35008800).

Almost surely, 2^513032243 is an apocalyptic number.

513032243 is a deficient number, since it is larger than the sum of its proper divisors (47108557).

513032243 is a wasteful number, since it uses less digits than its factorization.

513032243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 513032243 is about 22650.2150762415. The cubic root of 513032243 is about 800.5372656637.

Adding to 513032243 its reverse (342230315), we get a palindrome (855262558).

It can be divided in two parts, 5130 and 32243, that added together give a palindrome (37373).

The spelling of 513032243 in words is "five hundred thirteen million, thirty-two thousand, two hundred forty-three".