301400009 has 2 divisors, whose sum is σ = 301400010. Its totient is φ = 301400008.

The previous prime is 301400003. The next prime is 301400023. The reversal of 301400009 is 900004103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274068025 + 27331984 = 16555^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 301400009 - 2²⁰ = 300351433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 301400009.

It is not a weakly prime, because it can be changed into another prime (301400003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150700004 + 150700005.

It is an arithmetic number, because the mean of its divisors is an integer number (150700005).

Almost surely, 2^301400009 is an apocalyptic number.

It is an amenable number.

301400009 is a deficient number, since it is larger than the sum of its proper divisors (1).

301400009 is an equidigital number, since it uses as much as digits as its factorization.

301400009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 301400009 is about 17360.8758131610. The cubic root of 301400009 is about 670.4726812245.

The spelling of 301400009 in words is "three hundred one million, four hundred thousand, nine".