34442621 has 2 divisors, whose sum is σ = 34442622. Its totient is φ = 34442620.

The previous prime is 34442609. The next prime is 34442627. The reversal of 34442621 is 12624443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 10048900 = 4939^2 + 3170^2 .

It is a cyclic number.

It is not a de Polignac number, because 34442621 - 2⁶ = 34442557 is a prime.

It is equal to p_2114675 and since 34442621 and 2114675 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34442627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17221310 + 17221311.

It is an arithmetic number, because the mean of its divisors is an integer number (17221311).

Almost surely, 2^34442621 is an apocalyptic number.

It is an amenable number.

34442621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34442621 is an equidigital number, since it uses as much as digits as its factorization.

34442621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 34442621 is about 5868.7836048026. The cubic root of 34442621 is about 325.3609276243.

The spelling of 34442621 in words is "thirty-four million, four hundred forty-two thousand, six hundred twenty-one".