513342663 has 4 divisors (see below), whose sum is σ = 684456888. Its totient is φ = 342228440.

The previous prime is 513342647. The next prime is 513342679. The reversal of 513342663 is 366243315.

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

It is an interprime number because it is at equal distance from previous prime (513342647) and next prime (513342679).

It is a cyclic number.

It is not a de Polignac number, because 513342663 - 2⁴ = 513342647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513342463) 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, 85557108 + ... + 85557113.

It is an arithmetic number, because the mean of its divisors is an integer number (171114222).

Almost surely, 2^513342663 is an apocalyptic number.

513342663 is a deficient number, since it is larger than the sum of its proper divisors (171114225).

513342663 is a wasteful number, since it uses less digits than its factorization.

513342663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171114224.

The product of its digits is 38880, while the sum is 33.

The square root of 513342663 is about 22657.0665135626. The cubic root of 513342663 is about 800.6986932529.

Adding to 513342663 its reverse (366243315), we get a palindrome (879585978).

The spelling of 513342663 in words is "five hundred thirteen million, three hundred forty-two thousand, six hundred sixty-three".