30474109 has 2 divisors, whose sum is σ = 30474110. Its totient is φ = 30474108.

The previous prime is 30474091. The next prime is 30474139. The reversal of 30474109 is 90147403.

Together with previous prime (30474091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17892900 + 12581209 = 4230^2 + 3547^2 .

It is a cyclic number.

It is not a de Polignac number, because 30474109 - 2⁵ = 30474077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30474139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15237054 + 15237055.

It is an arithmetic number, because the mean of its divisors is an integer number (15237055).

Almost surely, 2^30474109 is an apocalyptic number.

It is an amenable number.

30474109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30474109 is an equidigital number, since it uses as much as digits as its factorization.

30474109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 30474109 is about 5520.3359499219. The cubic root of 30474109 is about 312.3515548828.

The spelling of 30474109 in words is "thirty million, four hundred seventy-four thousand, one hundred nine".