30194291 has 2 divisors, whose sum is σ = 30194292. Its totient is φ = 30194290.

The previous prime is 30194267. The next prime is 30194303. The reversal of 30194291 is 19249103.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30194291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30194221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15097145 + 15097146.

It is an arithmetic number, because the mean of its divisors is an integer number (15097146).

Almost surely, 2^30194291 is an apocalyptic number.

30194291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30194291 is an equidigital number, since it uses as much as digits as its factorization.

30194291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 30194291 is about 5494.9332116050. The cubic root of 30194291 is about 311.3925935989.

The spelling of 30194291 in words is "thirty million, one hundred ninety-four thousand, two hundred ninety-one".