30004057 has 2 divisors, whose sum is σ = 30004058. Its totient is φ = 30004056.

The previous prime is 30004043. The next prime is 30004147. The reversal of 30004057 is 75040003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 8696601 = 4616^2 + 2949^2 .

It is an emirp because it is prime and its reverse (75040003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30004057 - 2¹¹ = 30002009 is a prime.

It is not a weakly prime, because it can be changed into another prime (30004027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15002028 + 15002029.

It is an arithmetic number, because the mean of its divisors is an integer number (15002029).

Almost surely, 2^30004057 is an apocalyptic number.

It is an amenable number.

30004057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30004057 is an equidigital number, since it uses as much as digits as its factorization.

30004057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 30004057 is about 5477.5959142675. The cubic root of 30004057 is about 310.7372566777.

The spelling of 30004057 in words is "thirty million, four thousand, fifty-seven".