47803009 has 2 divisors, whose sum is σ = 47803010. Its totient is φ = 47803008.

The previous prime is 47803003. The next prime is 47803033. The reversal of 47803009 is 90030874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 921600 = 6847^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 47803009 - 2⁹ = 47802497 is a prime.

It is not a weakly prime, because it can be changed into another prime (47803003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23901504 + 23901505.

It is an arithmetic number, because the mean of its divisors is an integer number (23901505).

Almost surely, 2^47803009 is an apocalyptic number.

It is an amenable number.

47803009 is a deficient number, since it is larger than the sum of its proper divisors (1).

47803009 is an equidigital number, since it uses as much as digits as its factorization.

47803009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 47803009 is about 6913.9720132497. The cubic root of 47803009 is about 362.9262752274.

The spelling of 47803009 in words is "forty-seven million, eight hundred three thousand, nine".