30203053 has 2 divisors, whose sum is σ = 30203054. Its totient is φ = 30203052.

The previous prime is 30203023. The next prime is 30203059. The reversal of 30203053 is 35030203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 12411529 = 4218^2 + 3523^2 .

It is a cyclic number.

It is not a de Polignac number, because 30203053 - 2⁹ = 30202541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30203059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101526 + 15101527.

It is an arithmetic number, because the mean of its divisors is an integer number (15101527).

Almost surely, 2^30203053 is an apocalyptic number.

It is an amenable number.

30203053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30203053 is an equidigital number, since it uses as much as digits as its factorization.

30203053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 30203053 is about 5495.7304337094. The cubic root of 30203053 is about 311.4227114119.

Adding to 30203053 its reverse (35030203), we get a palindrome (65233256).

The spelling of 30203053 in words is "thirty million, two hundred three thousand, fifty-three".