35375981 has 2 divisors, whose sum is σ = 35375982. Its totient is φ = 35375980.

The previous prime is 35375927. The next prime is 35375983. The reversal of 35375981 is 18957353.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27730756 + 7645225 = 5266^2 + 2765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35375981 is a prime.

It is a super-2 number, since 2×35375981² = 2502920063424722, which contains 22 as substring.

Together with 35375983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35375983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17687990 + 17687991.

It is an arithmetic number, because the mean of its divisors is an integer number (17687991).

Almost surely, 2^35375981 is an apocalyptic number.

It is an amenable number.

35375981 is a deficient number, since it is larger than the sum of its proper divisors (1).

35375981 is an equidigital number, since it uses as much as digits as its factorization.

35375981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 35375981 is about 5947.7710951246. The cubic root of 35375981 is about 328.2737558135.

The spelling of 35375981 in words is "thirty-five million, three hundred seventy-five thousand, nine hundred eighty-one".