34309025 has 12 divisors (see below), whose sum is σ = 43180272. Its totient is φ = 27036240.

The previous prime is 34309019. The next prime is 34309039. The reversal of 34309025 is 52090343.

It is not a de Polignac number, because 34309025 - 2⁶ = 34308961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34308985 and 34309003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8567 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (3598356).

Almost surely, 2^34309025 is an apocalyptic number.

It is an amenable number.

34309025 is a deficient number, since it is larger than the sum of its proper divisors (8871247).

34309025 is a wasteful number, since it uses less digits than its factorization.

34309025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560 (or 20555 counting only the distinct ones).

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

The square root of 34309025 is about 5857.3906306477. The cubic root of 34309025 is about 324.9397126833.

Adding to 34309025 its reverse (52090343), we get a palindrome (86399368).

The spelling of 34309025 in words is "thirty-four million, three hundred nine thousand, twenty-five".