10436381 has 2 divisors, whose sum is σ = 10436382. Its totient is φ = 10436380.

The previous prime is 10436369. The next prime is 10436383. The reversal of 10436381 is 18363401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 3481 = 3230^2 + 59^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10436381 is a prime.

It is a super-2 number, since 2×10436381² = 217836096754322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10436383, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10436381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10436383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5218190 + 5218191.

It is an arithmetic number, because the mean of its divisors is an integer number (5218191).

Almost surely, 2^10436381 is an apocalyptic number.

It is an amenable number.

10436381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10436381 is an equidigital number, since it uses as much as digits as its factorization.

10436381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10436381 is about 3230.5388095486. The cubic root of 10436381 is about 218.5328058097.

Adding to 10436381 its reverse (18363401), we get a palindrome (28799782).

The spelling of 10436381 in words is "ten million, four hundred thirty-six thousand, three hundred eighty-one".