30289141 has 2 divisors, whose sum is σ = 30289142. Its totient is φ = 30289140.

The previous prime is 30289117. The next prime is 30289169. The reversal of 30289141 is 14198203.

It is a happy number.

It is an a-pointer prime, because the next prime (30289169) can be obtained adding 30289141 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 3818116 = 5145^2 + 1954^2 .

It is an emirp because it is prime and its reverse (14198203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30289141 - 2⁵ = 30289109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30289111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15144570 + 15144571.

It is an arithmetic number, because the mean of its divisors is an integer number (15144571).

Almost surely, 2^30289141 is an apocalyptic number.

It is an amenable number.

30289141 is a deficient number, since it is larger than the sum of its proper divisors (1).

30289141 is an equidigital number, since it uses as much as digits as its factorization.

30289141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 30289141 is about 5503.5571224436. The cubic root of 30289141 is about 311.7183142728.

The spelling of 30289141 in words is "thirty million, two hundred eighty-nine thousand, one hundred forty-one".