35961143 has 2 divisors, whose sum is σ = 35961144. Its totient is φ = 35961142.

The previous prime is 35961139. The next prime is 35961173. The reversal of 35961143 is 34116953.

35961143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 35961143 - 2² = 35961139 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35961173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17980571 + 17980572.

It is an arithmetic number, because the mean of its divisors is an integer number (17980572).

Almost surely, 2^35961143 is an apocalyptic number.

35961143 is a deficient number, since it is larger than the sum of its proper divisors (1).

35961143 is an equidigital number, since it uses as much as digits as its factorization.

35961143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 35961143 is about 5996.7610424295. The cubic root of 35961143 is about 330.0738830593.

The spelling of 35961143 in words is "thirty-five million, nine hundred sixty-one thousand, one hundred forty-three".