30257053 has 2 divisors, whose sum is σ = 30257054. Its totient is φ = 30257052.

The previous prime is 30257047. The next prime is 30257077. The reversal of 30257053 is 35075203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29300569 + 956484 = 5413^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 30257053 - 2⁵ = 30257021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30257653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15128526 + 15128527.

It is an arithmetic number, because the mean of its divisors is an integer number (15128527).

Almost surely, 2^30257053 is an apocalyptic number.

It is an amenable number.

30257053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30257053 is an equidigital number, since it uses as much as digits as its factorization.

30257053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 30257053 is about 5500.6411444485. The cubic root of 30257053 is about 311.6081983349.

The spelling of 30257053 in words is "thirty million, two hundred fifty-seven thousand, fifty-three".