30503089 has 2 divisors, whose sum is σ = 30503090. Its totient is φ = 30503088.

The previous prime is 30503087. The next prime is 30503093. The reversal of 30503089 is 98030503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 4032064 = 5145^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 30503089 - 2¹ = 30503087 is a prime.

Together with 30503087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30503087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251544 + 15251545.

It is an arithmetic number, because the mean of its divisors is an integer number (15251545).

Almost surely, 2^30503089 is an apocalyptic number.

It is an amenable number.

30503089 is a deficient number, since it is larger than the sum of its proper divisors (1).

30503089 is an equidigital number, since it uses as much as digits as its factorization.

30503089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30503089 is about 5522.9601664325. The cubic root of 30503089 is about 312.4505359577.

The spelling of 30503089 in words is "thirty million, five hundred three thousand, eighty-nine".