30052209 has 16 divisors (see below), whose sum is σ = 46284480. Its totient is φ = 17141760.

The previous prime is 30052201. The next prime is 30052213. The reversal of 30052209 is 90225003.

It is not a de Polignac number, because 30052209 - 2³ = 30052201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30052201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26224 + ... + 27345.

It is an arithmetic number, because the mean of its divisors is an integer number (2892780).

Almost surely, 2^30052209 is an apocalyptic number.

It is an amenable number.

30052209 is a deficient number, since it is larger than the sum of its proper divisors (16232271).

30052209 is a wasteful number, since it uses less digits than its factorization.

30052209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53600.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30052209 is about 5481.9895111173. The cubic root of 30052209 is about 310.9033966907.

The spelling of 30052209 in words is "thirty million, fifty-two thousand, two hundred nine".