35641381 has 2 divisors, whose sum is σ = 35641382. Its totient is φ = 35641380.

The previous prime is 35641357. The next prime is 35641391. The reversal of 35641381 is 18314653.

35641381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 429025 = 5934^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 35641381 - 2⁵ = 35641349 is a prime.

It is a super-2 number, since 2×35641381² = 2540616079174322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35641391) 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, 17820690 + 17820691.

It is an arithmetic number, because the mean of its divisors is an integer number (17820691).

Almost surely, 2^35641381 is an apocalyptic number.

It is an amenable number.

35641381 is a deficient number, since it is larger than the sum of its proper divisors (1).

35641381 is an equidigital number, since it uses as much as digits as its factorization.

35641381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 35641381 is about 5970.0402846212. The cubic root of 35641381 is about 329.0926436622.

The spelling of 35641381 in words is "thirty-five million, six hundred forty-one thousand, three hundred eighty-one".