34025309 has 4 divisors (see below), whose sum is σ = 34161120. Its totient is φ = 33889500.

The previous prime is 34025297. The next prime is 34025351. The reversal of 34025309 is 90352043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90352043 = 359 ⋅251677.

It is a cyclic number.

It is not a de Polignac number, because 34025309 - 2⁴ = 34025293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34025389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67529 + ... + 68030.

It is an arithmetic number, because the mean of its divisors is an integer number (8540280).

Almost surely, 2^34025309 is an apocalyptic number.

It is an amenable number.

34025309 is a deficient number, since it is larger than the sum of its proper divisors (135811).

34025309 is a wasteful number, since it uses less digits than its factorization.

34025309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135810.

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

The square root of 34025309 is about 5833.1217199712. The cubic root of 34025309 is about 324.0415438524.

The spelling of 34025309 in words is "thirty-four million, twenty-five thousand, three hundred nine".