34940561 has 2 divisors, whose sum is σ = 34940562. Its totient is φ = 34940560.

The previous prime is 34940537. The next prime is 34940579. The reversal of 34940561 is 16504943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33131536 + 1809025 = 5756^2 + 1345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34940561 is a prime.

It is not a weakly prime, because it can be changed into another prime (34940161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17470280 + 17470281.

It is an arithmetic number, because the mean of its divisors is an integer number (17470281).

Almost surely, 2^34940561 is an apocalyptic number.

It is an amenable number.

34940561 is a deficient number, since it is larger than the sum of its proper divisors (1).

34940561 is an equidigital number, since it uses as much as digits as its factorization.

34940561 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 34940561 is about 5911.0541361080. The cubic root of 34940561 is about 326.9213557067.

The spelling of 34940561 in words is "thirty-four million, nine hundred forty thousand, five hundred sixty-one".