30268057 has 2 divisors, whose sum is σ = 30268058. Its totient is φ = 30268056.

The previous prime is 30268033. The next prime is 30268061. The reversal of 30268057 is 75086203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30261001 + 7056 = 5501^2 + 84^2 .

It is an emirp because it is prime and its reverse (75086203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30268057 is a prime.

It is not a weakly prime, because it can be changed into another prime (30268157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15134028 + 15134029.

It is an arithmetic number, because the mean of its divisors is an integer number (15134029).

Almost surely, 2^30268057 is an apocalyptic number.

It is an amenable number.

30268057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30268057 is an equidigital number, since it uses as much as digits as its factorization.

30268057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 30268057 is about 5501.6413005575. The cubic root of 30268057 is about 311.6459693743.

The spelling of 30268057 in words is "thirty million, two hundred sixty-eight thousand, fifty-seven".