421600301 has 2 divisors, whose sum is σ = 421600302. Its totient is φ = 421600300.

The previous prime is 421600271. The next prime is 421600307. The reversal of 421600301 is 103006124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411684100 + 9916201 = 20290^2 + 3149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421600301 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 421600301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421600307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210800150 + 210800151.

It is an arithmetic number, because the mean of its divisors is an integer number (210800151).

Almost surely, 2^421600301 is an apocalyptic number.

It is an amenable number.

421600301 is a deficient number, since it is larger than the sum of its proper divisors (1).

421600301 is an equidigital number, since it uses as much as digits as its factorization.

421600301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 421600301 is about 20532.9077580356. The cubic root of 421600301 is about 749.8371800629.

Adding to 421600301 its reverse (103006124), we get a palindrome (524606425).

The spelling of 421600301 in words is "four hundred twenty-one million, six hundred thousand, three hundred one".