30266947 has 2 divisors, whose sum is σ = 30266948. Its totient is φ = 30266946.

The previous prime is 30266917. The next prime is 30266989. The reversal of 30266947 is 74966203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30266947 is a prime.

It is not a weakly prime, because it can be changed into another prime (30266917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15133473 + 15133474.

It is an arithmetic number, because the mean of its divisors is an integer number (15133474).

Almost surely, 2^30266947 is an apocalyptic number.

30266947 is a deficient number, since it is larger than the sum of its proper divisors (1).

30266947 is an equidigital number, since it uses as much as digits as its factorization.

30266947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 30266947 is about 5501.5404206458. The cubic root of 30266947 is about 311.6421597337.

It can be divided in two parts, 30266 and 947, that added together give a palindrome (31213).

The spelling of 30266947 in words is "thirty million, two hundred sixty-six thousand, nine hundred forty-seven".