30484609 has 2 divisors, whose sum is σ = 30484610. Its totient is φ = 30484608.

The previous prime is 30484603. The next prime is 30484639. The reversal of 30484609 is 90648403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 7683984 = 4775^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 30484609 - 2²³ = 22096001 is a prime.

It is a super-2 number, since 2×30484609² = 1858622771765762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30484603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15242304 + 15242305.

It is an arithmetic number, because the mean of its divisors is an integer number (15242305).

Almost surely, 2^30484609 is an apocalyptic number.

It is an amenable number.

30484609 is a deficient number, since it is larger than the sum of its proper divisors (1).

30484609 is an equidigital number, since it uses as much as digits as its factorization.

30484609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 30484609 is about 5521.2868970920. The cubic root of 30484609 is about 312.3874248374.

The spelling of 30484609 in words is "thirty million, four hundred eighty-four thousand, six hundred nine".