34505609 has 2 divisors, whose sum is σ = 34505610. Its totient is φ = 34505608.

The previous prime is 34505599. The next prime is 34505623. The reversal of 34505609 is 90650543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22534009 + 11971600 = 4747^2 + 3460^2 .

It is a cyclic number.

It is not a de Polignac number, because 34505609 - 2¹² = 34501513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34505689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17252804 + 17252805.

It is an arithmetic number, because the mean of its divisors is an integer number (17252805).

Almost surely, 2^34505609 is an apocalyptic number.

It is an amenable number.

34505609 is a deficient number, since it is larger than the sum of its proper divisors (1).

34505609 is an equidigital number, since it uses as much as digits as its factorization.

34505609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 34505609 is about 5874.1475126183. The cubic root of 34505609 is about 325.5591447681.

The spelling of 34505609 in words is "thirty-four million, five hundred five thousand, six hundred nine".