34332821 has 2 divisors, whose sum is σ = 34332822. Its totient is φ = 34332820.

The previous prime is 34332811. The next prime is 34332827. The reversal of 34332821 is 12823343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32330596 + 2002225 = 5686^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 34332821 - 2¹⁸ = 34070677 is a prime.

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 (34332827) 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, 17166410 + 17166411.

It is an arithmetic number, because the mean of its divisors is an integer number (17166411).

Almost surely, 2^34332821 is an apocalyptic number.

It is an amenable number.

34332821 is a deficient number, since it is larger than the sum of its proper divisors (1).

34332821 is an equidigital number, since it uses as much as digits as its factorization.

34332821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 34332821 is about 5859.4215584817. The cubic root of 34332821 is about 325.0148190482.

It can be divided in two parts, 34332 and 821, that added together give a palindrome (35153).

The spelling of 34332821 in words is "thirty-four million, three hundred thirty-two thousand, eight hundred twenty-one".