34521769 has 2 divisors, whose sum is σ = 34521770. Its totient is φ = 34521768.

The previous prime is 34521749. The next prime is 34521793. The reversal of 34521769 is 96712543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 5760000 = 5363^2 + 2400^2 .

It is an emirp because it is prime and its reverse (96712543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34521769 - 2⁵ = 34521737 is a prime.

It is a super-2 number, since 2×34521769² = 2383505069778722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34521749) 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, 17260884 + 17260885.

It is an arithmetic number, because the mean of its divisors is an integer number (17260885).

Almost surely, 2^34521769 is an apocalyptic number.

It is an amenable number.

34521769 is a deficient number, since it is larger than the sum of its proper divisors (1).

34521769 is an equidigital number, since it uses as much as digits as its factorization.

34521769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 34521769 is about 5875.5228703495. The cubic root of 34521769 is about 325.6099598370.

The spelling of 34521769 in words is "thirty-four million, five hundred twenty-one thousand, seven hundred sixty-nine".