34570891 has 2 divisors, whose sum is σ = 34570892. Its totient is φ = 34570890.

The previous prime is 34570853. The next prime is 34570901. The reversal of 34570891 is 19807543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34570891 - 2⁹ = 34570379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34570891.

It is not a weakly prime, because it can be changed into another prime (34570801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17285445 + 17285446.

It is an arithmetic number, because the mean of its divisors is an integer number (17285446).

Almost surely, 2^34570891 is an apocalyptic number.

34570891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34570891 is an equidigital number, since it uses as much as digits as its factorization.

34570891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 34570891 is about 5879.7016080750. The cubic root of 34570891 is about 325.7643265115.

The spelling of 34570891 in words is "thirty-four million, five hundred seventy thousand, eight hundred ninety-one".