34350521 has 2 divisors, whose sum is σ = 34350522. Its totient is φ = 34350520.

The previous prime is 34350517. The next prime is 34350553. The reversal of 34350521 is 12505343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18826921 + 15523600 = 4339^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 34350521 - 2² = 34350517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34350721) 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, 17175260 + 17175261.

It is an arithmetic number, because the mean of its divisors is an integer number (17175261).

Almost surely, 2^34350521 is an apocalyptic number.

It is an amenable number.

34350521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34350521 is an equidigital number, since it uses as much as digits as its factorization.

34350521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 34350521 is about 5860.9317518634. The cubic root of 34350521 is about 325.0706623473.

Adding to 34350521 its reverse (12505343), we get a palindrome (46855864).

The spelling of 34350521 in words is "thirty-four million, three hundred fifty thousand, five hundred twenty-one".