983361517 has 2 divisors, whose sum is σ = 983361518. Its totient is φ = 983361516.

The previous prime is 983361487. The next prime is 983361581. The reversal of 983361517 is 715163389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612760516 + 370601001 = 24754^2 + 19251^2 .

It is an emirp because it is prime and its reverse (715163389) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-983361517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983361817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491680758 + 491680759.

It is an arithmetic number, because the mean of its divisors is an integer number (491680759).

Almost surely, 2^983361517 is an apocalyptic number.

It is an amenable number.

983361517 is a deficient number, since it is larger than the sum of its proper divisors (1).

983361517 is an equidigital number, since it uses as much as digits as its factorization.

983361517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 983361517 is about 31358.5955839862. The cubic root of 983361517 is about 994.4227915730.

The spelling of 983361517 in words is "nine hundred eighty-three million, three hundred sixty-one thousand, five hundred seventeen".