34856557 has 2 divisors, whose sum is σ = 34856558. Its totient is φ = 34856556.

The previous prime is 34856543. The next prime is 34856573. The reversal of 34856557 is 75565843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28153636 + 6702921 = 5306^2 + 2589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34856557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34856537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17428278 + 17428279.

It is an arithmetic number, because the mean of its divisors is an integer number (17428279).

Almost surely, 2^34856557 is an apocalyptic number.

It is an amenable number.

34856557 is a deficient number, since it is larger than the sum of its proper divisors (1).

34856557 is an equidigital number, since it uses as much as digits as its factorization.

34856557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 43.

The square root of 34856557 is about 5903.9441901156. The cubic root of 34856557 is about 326.6591509910.

The spelling of 34856557 in words is "thirty-four million, eight hundred fifty-six thousand, five hundred fifty-seven".