34363621 has 2 divisors, whose sum is σ = 34363622. Its totient is φ = 34363620.

The previous prime is 34363619. The next prime is 34363661. The reversal of 34363621 is 12636343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23174596 + 11189025 = 4814^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 34363621 - 2¹ = 34363619 is a prime.

Together with 34363619, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 34363621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34363661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17181810 + 17181811.

It is an arithmetic number, because the mean of its divisors is an integer number (17181811).

Almost surely, 2^34363621 is an apocalyptic number.

It is an amenable number.

34363621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34363621 is an equidigital number, since it uses as much as digits as its factorization.

34363621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

The square root of 34363621 is about 5862.0492150783. The cubic root of 34363621 is about 325.1119803471. Note that the first 3 decimals are identical.

Adding to 34363621 its reverse (12636343), we get a palindrome (46999964).

The spelling of 34363621 in words is "thirty-four million, three hundred sixty-three thousand, six hundred twenty-one".