30422453 has 2 divisors, whose sum is σ = 30422454. Its totient is φ = 30422452.

The previous prime is 30422443. The next prime is 30422459. The reversal of 30422453 is 35422403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27804529 + 2617924 = 5273^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 30422453 - 2⁴ = 30422437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30422459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211226 + 15211227.

It is an arithmetic number, because the mean of its divisors is an integer number (15211227).

Almost surely, 2^30422453 is an apocalyptic number.

It is an amenable number.

30422453 is a deficient number, since it is larger than the sum of its proper divisors (1).

30422453 is an equidigital number, since it uses as much as digits as its factorization.

30422453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30422453 is about 5515.6552647895. The cubic root of 30422453 is about 312.1749682913.

Adding to 30422453 its reverse (35422403), we get a palindrome (65844856).

The spelling of 30422453 in words is "thirty million, four hundred twenty-two thousand, four hundred fifty-three".