30197047 has 2 divisors, whose sum is σ = 30197048. Its totient is φ = 30197046.

The previous prime is 30197029. The next prime is 30197087. The reversal of 30197047 is 74079103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30197047 - 2⁷ = 30196919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30197017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098523 + 15098524.

It is an arithmetic number, because the mean of its divisors is an integer number (15098524).

Almost surely, 2^30197047 is an apocalyptic number.

30197047 is a deficient number, since it is larger than the sum of its proper divisors (1).

30197047 is an equidigital number, since it uses as much as digits as its factorization.

30197047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 30197047 is about 5495.1839823613. The cubic root of 30197047 is about 311.4020674857.

The spelling of 30197047 in words is "thirty million, one hundred ninety-seven thousand, forty-seven".