305933401 has 2 divisors, whose sum is σ = 305933402. Its totient is φ = 305933400.

The previous prime is 305933357. The next prime is 305933413. The reversal of 305933401 is 104339503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235776025 + 70157376 = 15355^2 + 8376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305933401 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305933401.

It is not a weakly prime, because it can be changed into another prime (305931401) 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, 152966700 + 152966701.

It is an arithmetic number, because the mean of its divisors is an integer number (152966701).

Almost surely, 2^305933401 is an apocalyptic number.

It is an amenable number.

305933401 is a deficient number, since it is larger than the sum of its proper divisors (1).

305933401 is an equidigital number, since it uses as much as digits as its factorization.

305933401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 305933401 is about 17490.9519752357. The cubic root of 305933401 is about 673.8175189201.

The spelling of 305933401 in words is "three hundred five million, nine hundred thirty-three thousand, four hundred one".