316800061 has 4 divisors (see below), whose sum is σ = 316837852. Its totient is φ = 316762272.

The previous prime is 316800047. The next prime is 316800079. The reversal of 316800061 is 160008613.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 293471161 + 23328900 = 17131^2 + 4830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316800061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316799999 and 316800035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316800961) 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, 66 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (79209463).

Almost surely, 2^316800061 is an apocalyptic number.

It is an amenable number.

316800061 is a deficient number, since it is larger than the sum of its proper divisors (37791).

316800061 is a wasteful number, since it uses less digits than its factorization.

316800061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37790.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 316800061 is about 17798.8780826208. The cubic root of 316800061 is about 681.7028120976.

Adding to 316800061 its reverse (160008613), we get a palindrome (476808674).

The spelling of 316800061 in words is "three hundred sixteen million, eight hundred thousand, sixty-one".