34000257 has 8 divisors (see below), whose sum is σ = 45907840. Its totient is φ = 22379760.

The previous prime is 34000247. The next prime is 34000259. The reversal of 34000257 is 75200043.

It is a happy number.

34000257 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34000257 - 2¹⁸ = 33738113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34000259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71494 + ... + 71967.

It is an arithmetic number, because the mean of its divisors is an integer number (5738480).

Almost surely, 2^34000257 is an apocalyptic number.

It is an amenable number.

34000257 is a deficient number, since it is larger than the sum of its proper divisors (11907583).

34000257 is a wasteful number, since it uses less digits than its factorization.

34000257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143543.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 34000257 is about 5830.9739323718. The cubic root of 34000257 is about 323.9619963808.

The spelling of 34000257 in words is "thirty-four million, two hundred fifty-seven", and thus it is an aban number.