34352009 has 2 divisors, whose sum is σ = 34352010. Its totient is φ = 34352008.

The previous prime is 34351991. The next prime is 34352023. The reversal of 34352009 is 90025343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31393609 + 2958400 = 5603^2 + 1720^2 .

It is an emirp because it is prime and its reverse (90025343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34352009 - 2¹² = 34347913 is a prime.

It is a Chen prime.

It is equal to p_2109473 and since 34352009 and 2109473 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (34352509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17176004 + 17176005.

It is an arithmetic number, because the mean of its divisors is an integer number (17176005).

Almost surely, 2^34352009 is an apocalyptic number.

It is an amenable number.

34352009 is a deficient number, since it is larger than the sum of its proper divisors (1).

34352009 is an equidigital number, since it uses as much as digits as its factorization.

34352009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 34352009 is about 5861.0586927619. The cubic root of 34352009 is about 325.0753560962.

The spelling of 34352009 in words is "thirty-four million, three hundred fifty-two thousand, nine".