35965381 has 2 divisors, whose sum is σ = 35965382. Its totient is φ = 35965380.

The previous prime is 35965379. The next prime is 35965409. The reversal of 35965381 is 18356953.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29257281 + 6708100 = 5409^2 + 2590^2 .

It is an emirp because it is prime and its reverse (18356953) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35965381 - 2¹ = 35965379 is a prime.

It is a super-2 number, since 2×35965381² = 2587017260950322, which contains 22 as substring.

Together with 35965379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35965781) 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, 17982690 + 17982691.

It is an arithmetic number, because the mean of its divisors is an integer number (17982691).

Almost surely, 2^35965381 is an apocalyptic number.

It is an amenable number.

35965381 is a deficient number, since it is larger than the sum of its proper divisors (1).

35965381 is an equidigital number, since it uses as much as digits as its factorization.

35965381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 35965381 is about 5997.1143894376. The cubic root of 35965381 is about 330.0868488890.

The spelling of 35965381 in words is "thirty-five million, nine hundred sixty-five thousand, three hundred eighty-one".