306072001 has 2 divisors, whose sum is σ = 306072002. Its totient is φ = 306072000.

The previous prime is 306071993. The next prime is 306072043. The reversal of 306072001 is 100270603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228614400 + 77457601 = 15120^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 306072001 - 2³ = 306071993 is a prime.

It is a super-2 number, since 2×306072001² = 187360139592288002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 306072001.

It is not a weakly prime, because it can be changed into another prime (306072071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153036000 + 153036001.

It is an arithmetic number, because the mean of its divisors is an integer number (153036001).

Almost surely, 2^306072001 is an apocalyptic number.

It is an amenable number.

306072001 is a deficient number, since it is larger than the sum of its proper divisors (1).

306072001 is an equidigital number, since it uses as much as digits as its factorization.

306072001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 306072001 is about 17494.9135750938. The cubic root of 306072001 is about 673.9192589372.

The spelling of 306072001 in words is "three hundred six million, seventy-two thousand, one".