35872381 has 2 divisors, whose sum is σ = 35872382. Its totient is φ = 35872380.

The previous prime is 35872379. The next prime is 35872423. The reversal of 35872381 is 18327853.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25664356 + 10208025 = 5066^2 + 3195^2 .

It is a cyclic number.

It is not a de Polignac number, because 35872381 - 2¹ = 35872379 is a prime.

It is a super-2 number, since 2×35872381² = 2573655437218322, which contains 22 as substring.

Together with 35872379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35872381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35872181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17936190 + 17936191.

It is an arithmetic number, because the mean of its divisors is an integer number (17936191).

Almost surely, 2^35872381 is an apocalyptic number.

It is an amenable number.

35872381 is a deficient number, since it is larger than the sum of its proper divisors (1).

35872381 is an equidigital number, since it uses as much as digits as its factorization.

35872381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 35872381 is about 5989.3556414693. The cubic root of 35872381 is about 329.8020882473.

The spelling of 35872381 in words is "thirty-five million, eight hundred seventy-two thousand, three hundred eighty-one".