34535681 has 2 divisors, whose sum is σ = 34535682. Its totient is φ = 34535680.

The previous prime is 34535659. The next prime is 34535693. The reversal of 34535681 is 18653543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 1000000 = 5791^2 + 1000^2 .

It is an emirp because it is prime and its reverse (18653543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34535681 is a prime.

It is a super-2 number, since 2×34535681² = 2385426524267522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34535621) 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, 17267840 + 17267841.

It is an arithmetic number, because the mean of its divisors is an integer number (17267841).

Almost surely, 2^34535681 is an apocalyptic number.

It is an amenable number.

34535681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34535681 is an equidigital number, since it uses as much as digits as its factorization.

34535681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 34535681 is about 5876.7066457328. The cubic root of 34535681 is about 325.6536933760.

The spelling of 34535681 in words is "thirty-four million, five hundred thirty-five thousand, six hundred eighty-one".