34585391 has 2 divisors, whose sum is σ = 34585392. Its totient is φ = 34585390.

The previous prime is 34585381. The next prime is 34585393. The reversal of 34585391 is 19358543.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19358543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34585391 - 2¹⁰ = 34584367 is a prime.

It is a super-2 number, since 2×34585391² = 2392298541245762, which contains 22 as substring.

Together with 34585393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34585393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17292695 + 17292696.

It is an arithmetic number, because the mean of its divisors is an integer number (17292696).

Almost surely, 2^34585391 is an apocalyptic number.

34585391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34585391 is an equidigital number, since it uses as much as digits as its factorization.

34585391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 34585391 is about 5880.9345345787. The cubic root of 34585391 is about 325.8098650398.

The spelling of 34585391 in words is "thirty-four million, five hundred eighty-five thousand, three hundred ninety-one".