306030401 has 2 divisors, whose sum is σ = 306030402. Its totient is φ = 306030400.

The previous prime is 306030383. The next prime is 306030421. The reversal of 306030401 is 104030603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247905025 + 58125376 = 15745^2 + 7624^2 .

It is a cyclic number.

It is not a de Polignac number, because 306030401 - 2⁶ = 306030337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 306030401.

It is not a weakly prime, because it can be changed into another prime (306030421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153015200 + 153015201.

It is an arithmetic number, because the mean of its divisors is an integer number (153015201).

Almost surely, 2^306030401 is an apocalyptic number.

It is an amenable number.

306030401 is a deficient number, since it is larger than the sum of its proper divisors (1).

306030401 is an equidigital number, since it uses as much as digits as its factorization.

306030401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 306030401 is about 17493.7246177022. The cubic root of 306030401 is about 673.8887254774. Note that the first 3 decimals are identical.

The spelling of 306030401 in words is "three hundred six million, thirty thousand, four hundred one".