34917121 has 2 divisors, whose sum is σ = 34917122. Its totient is φ = 34917120.

The previous prime is 34917037. The next prime is 34917173. The reversal of 34917121 is 12171943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 12250000 = 4761^2 + 3500^2 .

It is a cyclic number.

It is not a de Polignac number, because 34917121 - 2²⁵ = 1362689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34917121.

It is not a weakly prime, because it can be changed into another prime (34915121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17458560 + 17458561.

It is an arithmetic number, because the mean of its divisors is an integer number (17458561).

Almost surely, 2^34917121 is an apocalyptic number.

It is an amenable number.

34917121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34917121 is an equidigital number, since it uses as much as digits as its factorization.

34917121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 34917121 is about 5909.0710775891. The cubic root of 34917121 is about 326.8482339003.

The spelling of 34917121 in words is "thirty-four million, nine hundred seventeen thousand, one hundred twenty-one".