30407197 has 2 divisors, whose sum is σ = 30407198. Its totient is φ = 30407196.

The previous prime is 30407177. The next prime is 30407227. The reversal of 30407197 is 79170403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29474041 + 933156 = 5429^2 + 966^2 .

It is a cyclic number.

It is not a de Polignac number, because 30407197 - 2¹⁵ = 30374429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30407177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15203598 + 15203599.

It is an arithmetic number, because the mean of its divisors is an integer number (15203599).

Almost surely, 2^30407197 is an apocalyptic number.

It is an amenable number.

30407197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30407197 is an equidigital number, since it uses as much as digits as its factorization.

30407197 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30407197 is about 5514.2721187841. The cubic root of 30407197 is about 312.1227772595.

The spelling of 30407197 in words is "thirty million, four hundred seven thousand, one hundred ninety-seven".