34185457 has 2 divisors, whose sum is σ = 34185458. Its totient is φ = 34185456.

The previous prime is 34185451. The next prime is 34185469. The reversal of 34185457 is 75458143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30647296 + 3538161 = 5536^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 34185457 - 2⁷ = 34185329 is a prime.

It is equal to p_2099971 and since 34185457 and 2099971 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (34185451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17092728 + 17092729.

It is an arithmetic number, because the mean of its divisors is an integer number (17092729).

Almost surely, 2^34185457 is an apocalyptic number.

It is an amenable number.

34185457 is a deficient number, since it is larger than the sum of its proper divisors (1).

34185457 is an equidigital number, since it uses as much as digits as its factorization.

34185457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 34185457 is about 5846.8330744087. The cubic root of 34185457 is about 324.5491405104.

The spelling of 34185457 in words is "thirty-four million, one hundred eighty-five thousand, four hundred fifty-seven".