30485317 has 2 divisors, whose sum is σ = 30485318. Its totient is φ = 30485316.

The previous prime is 30485297. The next prime is 30485333. The reversal of 30485317 is 71358403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 4004001 = 5146^2 + 2001^2 .

It is an emirp because it is prime and its reverse (71358403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30485317 - 2¹¹ = 30483269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30485347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15242658 + 15242659.

It is an arithmetic number, because the mean of its divisors is an integer number (15242659).

Almost surely, 2^30485317 is an apocalyptic number.

It is an amenable number.

30485317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30485317 is an equidigital number, since it uses as much as digits as its factorization.

30485317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 30485317 is about 5521.3510122071. The cubic root of 30485317 is about 312.3898432008.

The spelling of 30485317 in words is "thirty million, four hundred eighty-five thousand, three hundred seventeen".