30464509 has 2 divisors, whose sum is σ = 30464510. Its totient is φ = 30464508.

The previous prime is 30464503. The next prime is 30464521. The reversal of 30464509 is 90546403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30415225 + 49284 = 5515^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 30464509 - 2⁹ = 30463997 is a prime.

It is a super-2 number, since 2×30464509² = 1856172617222162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30464503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15232254 + 15232255.

It is an arithmetic number, because the mean of its divisors is an integer number (15232255).

Almost surely, 2^30464509 is an apocalyptic number.

It is an amenable number.

30464509 is a deficient number, since it is larger than the sum of its proper divisors (1).

30464509 is an equidigital number, since it uses as much as digits as its factorization.

30464509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 30464509 is about 5519.4663691339. The cubic root of 30464509 is about 312.3187522846.

The spelling of 30464509 in words is "thirty million, four hundred sixty-four thousand, five hundred nine".