30550451 has 2 divisors, whose sum is σ = 30550452. Its totient is φ = 30550450.

The previous prime is 30550439. The next prime is 30550477. The reversal of 30550451 is 15405503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30550451 - 2¹⁰ = 30549427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30550151) 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, 15275225 + 15275226.

It is an arithmetic number, because the mean of its divisors is an integer number (15275226).

Almost surely, 2^30550451 is an apocalyptic number.

30550451 is a deficient number, since it is larger than the sum of its proper divisors (1).

30550451 is an equidigital number, since it uses as much as digits as its factorization.

30550451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 30550451 is about 5527.2462402176. The cubic root of 30550451 is about 312.6121658154.

Adding to 30550451 its reverse (15405503), we get a palindrome (45955954).

The spelling of 30550451 in words is "thirty million, five hundred fifty thousand, four hundred fifty-one".