30010509 has 12 divisors (see below), whose sum is σ = 43405596. Its totient is φ = 19980672.

The previous prime is 30010507. The next prime is 30010523. The reversal of 30010509 is 90501003.

It can be written as a sum of positive squares in 2 ways, for example, as 28196100 + 1814409 = 5310^2 + 1347^2 .

It is not a de Polignac number, because 30010509 - 2¹ = 30010507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30010491 and 30010500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7087 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (3617133).

Almost surely, 2^30010509 is an apocalyptic number.

It is an amenable number.

30010509 is a deficient number, since it is larger than the sum of its proper divisors (13395087).

30010509 is a wasteful number, since it uses less digits than its factorization.

30010509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 30010509 is about 5478.1848271120. The cubic root of 30010509 is about 310.7595284779.

The spelling of 30010509 in words is "thirty million, ten thousand, five hundred nine".