30069397 has 2 divisors, whose sum is σ = 30069398. Its totient is φ = 30069396.

The previous prime is 30069383. The next prime is 30069407. The reversal of 30069397 is 79396003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29224836 + 844561 = 5406^2 + 919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30069397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30069367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034698 + 15034699.

It is an arithmetic number, because the mean of its divisors is an integer number (15034699).

Almost surely, 2^30069397 is an apocalyptic number.

It is an amenable number.

30069397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30069397 is an equidigital number, since it uses as much as digits as its factorization.

30069397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 30069397 is about 5483.5569660577. The cubic root of 30069397 is about 310.9626578821.

It can be divided in two parts, 3006 and 9397, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 30069397 in words is "thirty million, sixty-nine thousand, three hundred ninety-seven".