513701061 has 4 divisors (see below), whose sum is σ = 684934752. Its totient is φ = 342467372.

The previous prime is 513701047. The next prime is 513701063. The reversal of 513701061 is 160107315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513701061 - 2⁵ = 513701029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513701063) 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 3 ways as a sum of consecutive naturals, for example, 85616841 + ... + 85616846.

It is an arithmetic number, because the mean of its divisors is an integer number (171233688).

Almost surely, 2^513701061 is an apocalyptic number.

It is an amenable number.

513701061 is a deficient number, since it is larger than the sum of its proper divisors (171233691).

513701061 is a wasteful number, since it uses less digits than its factorization.

513701061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171233690.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 513701061 is about 22664.9743216268. The cubic root of 513701061 is about 800.8849899009.

Adding to 513701061 its reverse (160107315), we get a palindrome (673808376).

The spelling of 513701061 in words is "five hundred thirteen million, seven hundred one thousand, sixty-one".