52030009 has 2 divisors, whose sum is σ = 52030010. Its totient is φ = 52030008.

The previous prime is 52030001. The next prime is 52030021. The reversal of 52030009 is 90003025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 11580409 = 6360^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 52030009 - 2³ = 52030001 is a prime.

It is not a weakly prime, because it can be changed into another prime (52030001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26015004 + 26015005.

It is an arithmetic number, because the mean of its divisors is an integer number (26015005).

Almost surely, 2^52030009 is an apocalyptic number.

It is an amenable number.

52030009 is a deficient number, since it is larger than the sum of its proper divisors (1).

52030009 is an equidigital number, since it uses as much as digits as its factorization.

52030009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 52030009 is about 7213.1830005900. The cubic root of 52030009 is about 373.3229024686.

The spelling of 52030009 in words is "fifty-two million, thirty thousand, nine".