30197429 has 2 divisors, whose sum is σ = 30197430. Its totient is φ = 30197428.

The previous prime is 30197417. The next prime is 30197467. The reversal of 30197429 is 92479103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 2896804 = 5225^2 + 1702^2 .

It is an emirp because it is prime and its reverse (92479103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30197429 - 2⁸ = 30197173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30197029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098714 + 15098715.

It is an arithmetic number, because the mean of its divisors is an integer number (15098715).

Almost surely, 2^30197429 is an apocalyptic number.

It is an amenable number.

30197429 is a deficient number, since it is larger than the sum of its proper divisors (1).

30197429 is an equidigital number, since it uses as much as digits as its factorization.

30197429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 30197429 is about 5495.2187399593. The cubic root of 30197429 is about 311.4033805841.

The spelling of 30197429 in words is "thirty million, one hundred ninety-seven thousand, four hundred twenty-nine".