34112509 has 2 divisors, whose sum is σ = 34112510. Its totient is φ = 34112508.

The previous prime is 34112461. The next prime is 34112569. The reversal of 34112509 is 90521143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 356409 = 5810^2 + 597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34112509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34112569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17056254 + 17056255.

It is an arithmetic number, because the mean of its divisors is an integer number (17056255).

Almost surely, 2^34112509 is an apocalyptic number.

It is an amenable number.

34112509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34112509 is an equidigital number, since it uses as much as digits as its factorization.

34112509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 34112509 is about 5840.5914940184. The cubic root of 34112509 is about 324.3181254056.

The spelling of 34112509 in words is "thirty-four million, one hundred twelve thousand, five hundred nine".