34322621 has 2 divisors, whose sum is σ = 34322622. Its totient is φ = 34322620.

The previous prime is 34322591. The next prime is 34322623. The reversal of 34322621 is 12622343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31516996 + 2805625 = 5614^2 + 1675^2 .

It is an emirp because it is prime and its reverse (12622343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34322621 - 2¹⁰ = 34321597 is a prime.

Together with 34322623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34322623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17161310 + 17161311.

It is an arithmetic number, because the mean of its divisors is an integer number (17161311).

Almost surely, 2^34322621 is an apocalyptic number.

It is an amenable number.

34322621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34322621 is an equidigital number, since it uses as much as digits as its factorization.

34322621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 34322621 is about 5858.5511007415. The cubic root of 34322621 is about 324.9826294464.

Adding to 34322621 its reverse (12622343), we get a palindrome (46944964).

It can be divided in two parts, 34322 and 621, that added together give a palindrome (34943).

The spelling of 34322621 in words is "thirty-four million, three hundred twenty-two thousand, six hundred twenty-one".