34904561 has 2 divisors, whose sum is σ = 34904562. Its totient is φ = 34904560.

The previous prime is 34904533. The next prime is 34904567. The reversal of 34904561 is 16540943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 12285025 = 4756^2 + 3505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34904561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34904567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17452280 + 17452281.

It is an arithmetic number, because the mean of its divisors is an integer number (17452281).

Almost surely, 2^34904561 is an apocalyptic number.

It is an amenable number.

34904561 is a deficient number, since it is larger than the sum of its proper divisors (1).

34904561 is an equidigital number, since it uses as much as digits as its factorization.

34904561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 34904561 is about 5908.0082092022. The cubic root of 34904561 is about 326.8090391249.

The spelling of 34904561 in words is "thirty-four million, nine hundred four thousand, five hundred sixty-one".