301608421 has 2 divisors, whose sum is σ = 301608422. Its totient is φ = 301608420.

The previous prime is 301608409. The next prime is 301608431. The reversal of 301608421 is 124806103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154107396 + 147501025 = 12414^2 + 12145^2 .

It is a cyclic number.

It is not a de Polignac number, because 301608421 - 2⁵ = 301608389 is a prime.

It is a super-2 number, since 2×301608421² = 181935279236226482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301608431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150804210 + 150804211.

It is an arithmetic number, because the mean of its divisors is an integer number (150804211).

Almost surely, 2^301608421 is an apocalyptic number.

It is an amenable number.

301608421 is a deficient number, since it is larger than the sum of its proper divisors (1).

301608421 is an equidigital number, since it uses as much as digits as its factorization.

301608421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 301608421 is about 17366.8771228451. The cubic root of 301608421 is about 670.6271850431.

The spelling of 301608421 in words is "three hundred one million, six hundred eight thousand, four hundred twenty-one".