185301013 has 2 divisors, whose sum is σ = 185301014. Its totient is φ = 185301012.

The previous prime is 185300987. The next prime is 185301023. The reversal of 185301013 is 310103581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169989444 + 15311569 = 13038^2 + 3913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185301013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185301023) 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 as a sum of consecutive naturals, namely, 92650506 + 92650507.

It is an arithmetic number, because the mean of its divisors is an integer number (92650507).

Almost surely, 2^185301013 is an apocalyptic number.

It is an amenable number.

185301013 is a deficient number, since it is larger than the sum of its proper divisors (1).

185301013 is an equidigital number, since it uses as much as digits as its factorization.

185301013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 185301013 is about 13612.5314692015. The cubic root of 185301013 is about 570.1107951241.

Adding to 185301013 its reverse (310103581), we get a palindrome (495404594).

The spelling of 185301013 in words is "one hundred eighty-five million, three hundred one thousand, thirteen".