35698121 has 2 divisors, whose sum is σ = 35698122. Its totient is φ = 35698120.

The previous prime is 35698109. The next prime is 35698199. The reversal of 35698121 is 12189653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 5017600 = 5539^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 35698121 - 2¹⁸ = 35435977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (35697121) 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, 17849060 + 17849061.

It is an arithmetic number, because the mean of its divisors is an integer number (17849061).

Almost surely, 2^35698121 is an apocalyptic number.

It is an amenable number.

35698121 is a deficient number, since it is larger than the sum of its proper divisors (1).

35698121 is an equidigital number, since it uses as much as digits as its factorization.

35698121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 35698121 is about 5974.7904565767. The cubic root of 35698121 is about 329.2671862495.

The spelling of 35698121 in words is "thirty-five million, six hundred ninety-eight thousand, one hundred twenty-one".