316010561 has 4 divisors (see below), whose sum is σ = 321191124. Its totient is φ = 310830000.

The previous prime is 316010557. The next prime is 316010567. The reversal of 316010561 is 165010613.

It is a happy number.

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 137921536 + 178089025 = 11744^2 + 13345^2 .

It is a cyclic number.

It is not a de Polignac number, because 316010561 - 2² = 316010557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316010567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590190 + ... + 2590311.

It is an arithmetic number, because the mean of its divisors is an integer number (80297781).

Almost surely, 2^316010561 is an apocalyptic number.

It is an amenable number.

316010561 is a deficient number, since it is larger than the sum of its proper divisors (5180563).

316010561 is an equidigital number, since it uses as much as digits as its factorization.

316010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180562.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 316010561 is about 17776.6858834823. The cubic root of 316010561 is about 681.1360486566.

The spelling of 316010561 in words is "three hundred sixteen million, ten thousand, five hundred sixty-one".