30484217 has 2 divisors, whose sum is σ = 30484218. Its totient is φ = 30484216.

The previous prime is 30484163. The next prime is 30484261. The reversal of 30484217 is 71248403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19882681 + 10601536 = 4459^2 + 3256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30484217 is a prime.

It is a super-2 number, since 2×30484217² = 1858574972206178, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30484217.

It is not a weakly prime, because it can be changed into another prime (30484277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15242108 + 15242109.

It is an arithmetic number, because the mean of its divisors is an integer number (15242109).

Almost surely, 2^30484217 is an apocalyptic number.

It is an amenable number.

30484217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30484217 is an equidigital number, since it uses as much as digits as its factorization.

30484217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 30484217 is about 5521.2513980075. The cubic root of 30484217 is about 312.3860858405.

The spelling of 30484217 in words is "thirty million, four hundred eighty-four thousand, two hundred seventeen".