30186341 has 2 divisors, whose sum is σ = 30186342. Its totient is φ = 30186340.

The previous prime is 30186329. The next prime is 30186349. The reversal of 30186341 is 14368103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26368225 + 3818116 = 5135^2 + 1954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30186341 is a prime.

It is a super-2 number, since 2×30186341² = 1822430365936562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30186341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30186349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15093170 + 15093171.

It is an arithmetic number, because the mean of its divisors is an integer number (15093171).

Almost surely, 2^30186341 is an apocalyptic number.

It is an amenable number.

30186341 is a deficient number, since it is larger than the sum of its proper divisors (1).

30186341 is an equidigital number, since it uses as much as digits as its factorization.

30186341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30186341 is about 5494.2097702945. The cubic root of 30186341 is about 311.3652618492.

The spelling of 30186341 in words is "thirty million, one hundred eighty-six thousand, three hundred forty-one".