34481621 has 2 divisors, whose sum is σ = 34481622. Its totient is φ = 34481620.

The previous prime is 34481581. The next prime is 34481651. The reversal of 34481621 is 12618443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 8614225 = 5086^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 34481621 - 2¹⁴ = 34465237 is a prime.

It is a super-3 number, since 3×34481621³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34481651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17240810 + 17240811.

It is an arithmetic number, because the mean of its divisors is an integer number (17240811).

Almost surely, 2^34481621 is an apocalyptic number.

It is an amenable number.

34481621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34481621 is an equidigital number, since it uses as much as digits as its factorization.

34481621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 34481621 is about 5872.1053294368. The cubic root of 34481621 is about 325.4836853149.

The spelling of 34481621 in words is "thirty-four million, four hundred eighty-one thousand, six hundred twenty-one".