308401241 has 2 divisors, whose sum is σ = 308401242. Its totient is φ = 308401240.

The previous prime is 308401229. The next prime is 308401259. The reversal of 308401241 is 142104803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236083225 + 72318016 = 15365^2 + 8504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-308401241 is a prime.

It is a super-2 number, since 2×308401241² = 190222650900680162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (308401211) 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, 154200620 + 154200621.

It is an arithmetic number, because the mean of its divisors is an integer number (154200621).

Almost surely, 2^308401241 is an apocalyptic number.

It is an amenable number.

308401241 is a deficient number, since it is larger than the sum of its proper divisors (1).

308401241 is an equidigital number, since it uses as much as digits as its factorization.

308401241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 308401241 is about 17561.3564681092. The cubic root of 308401241 is about 675.6244726658.

The spelling of 308401241 in words is "three hundred eight million, four hundred one thousand, two hundred forty-one".