30047051 has 2 divisors, whose sum is σ = 30047052. Its totient is φ = 30047050.

The previous prime is 30047047. The next prime is 30047081. The reversal of 30047051 is 15074003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30047051 - 2² = 30047047 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30047081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15023525 + 15023526.

It is an arithmetic number, because the mean of its divisors is an integer number (15023526).

Almost surely, 2^30047051 is an apocalyptic number.

30047051 is a deficient number, since it is larger than the sum of its proper divisors (1).

30047051 is an equidigital number, since it uses as much as digits as its factorization.

30047051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 30047051 is about 5481.5190412877. The cubic root of 30047051 is about 310.8856084090.

The spelling of 30047051 in words is "thirty million, forty-seven thousand, fifty-one".