516563101 has 4 divisors (see below), whose sum is σ = 516968892. Its totient is φ = 516157312.

The previous prime is 516563093. The next prime is 516563107. The reversal of 516563101 is 101365615.

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

It can be written as a sum of positive squares in 2 ways, for example, as 391011076 + 125552025 = 19774^2 + 11205^2 .

It is a cyclic number.

It is not a de Polignac number, because 516563101 - 2³ = 516563093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516563101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516563107) 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, 200980 + ... + 203533.

It is an arithmetic number, because the mean of its divisors is an integer number (129242223).

Almost surely, 2^516563101 is an apocalyptic number.

It is an amenable number.

516563101 is a deficient number, since it is larger than the sum of its proper divisors (405791).

516563101 is a wasteful number, since it uses less digits than its factorization.

516563101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405790.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 516563101 is about 22728.0245732004. The cubic root of 516563101 is about 802.3695894815.

The spelling of 516563101 in words is "five hundred sixteen million, five hundred sixty-three thousand, one hundred one".