34805257 has 2 divisors, whose sum is σ = 34805258. Its totient is φ = 34805256.

The previous prime is 34805209. The next prime is 34805263. The reversal of 34805257 is 75250843.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34798201 + 7056 = 5899^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 34805257 - 2⁷ = 34805129 is a prime.

It is a super-2 number, since 2×34805257² = 2422811829672098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34805557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17402628 + 17402629.

It is an arithmetic number, because the mean of its divisors is an integer number (17402629).

Almost surely, 2^34805257 is an apocalyptic number.

It is an amenable number.

34805257 is a deficient number, since it is larger than the sum of its proper divisors (1).

34805257 is an equidigital number, since it uses as much as digits as its factorization.

34805257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 34805257 is about 5899.5980371547. The cubic root of 34805257 is about 326.4988192045.

The spelling of 34805257 in words is "thirty-four million, eight hundred five thousand, two hundred fifty-seven".