306020461 has 2 divisors, whose sum is σ = 306020462. Its totient is φ = 306020460.

The previous prime is 306020411. The next prime is 306020509. The reversal of 306020461 is 164020603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154878025 + 151142436 = 12445^2 + 12294^2 .

It is an emirp because it is prime and its reverse (164020603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306020461 - 2⁷ = 306020333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306020401) 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, 153010230 + 153010231.

It is an arithmetic number, because the mean of its divisors is an integer number (153010231).

Almost surely, 2^306020461 is an apocalyptic number.

It is an amenable number.

306020461 is a deficient number, since it is larger than the sum of its proper divisors (1).

306020461 is an equidigital number, since it uses as much as digits as its factorization.

306020461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 306020461 is about 17493.4405135182. The cubic root of 306020461 is about 673.8814293325.

The spelling of 306020461 in words is "three hundred six million, twenty thousand, four hundred sixty-one".