30026057 has 2 divisors, whose sum is σ = 30026058. Its totient is φ = 30026056.

The previous prime is 30026047. The next prime is 30026069. The reversal of 30026057 is 75062003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27920656 + 2105401 = 5284^2 + 1451^2 .

It is an emirp because it is prime and its reverse (75062003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30026057 - 2⁶ = 30025993 is a prime.

It is not a weakly prime, because it can be changed into another prime (30026027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15013028 + 15013029.

It is an arithmetic number, because the mean of its divisors is an integer number (15013029).

Almost surely, 2^30026057 is an apocalyptic number.

It is an amenable number.

30026057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30026057 is an equidigital number, since it uses as much as digits as its factorization.

30026057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30026057 is about 5479.6037265481. The cubic root of 30026057 is about 310.8131858482.

The spelling of 30026057 in words is "thirty million, twenty-six thousand, fifty-seven".