321461713 has 4 divisors (see below), whose sum is σ = 321785140. Its totient is φ = 321138288.

The previous prime is 321461683. The next prime is 321461743. The reversal of 321461713 is 317164123.

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 (321461683) and next prime (321461743).

It can be written as a sum of positive squares in 2 ways, for example, as 103367889 + 218093824 = 10167^2 + 14768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321461713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321461743) 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, 160218 + ... + 162211.

It is an arithmetic number, because the mean of its divisors is an integer number (80446285).

Almost surely, 2^321461713 is an apocalyptic number.

It is an amenable number.

321461713 is a deficient number, since it is larger than the sum of its proper divisors (323427).

321461713 is an equidigital number, since it uses as much as digits as its factorization.

321461713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323426.

The product of its digits is 3024, while the sum is 28.

The square root of 321461713 is about 17929.3533904600. The cubic root of 321461713 is about 685.0302528063.

The spelling of 321461713 in words is "three hundred twenty-one million, four hundred sixty-one thousand, seven hundred thirteen".