36344381 has 2 divisors, whose sum is σ = 36344382. Its totient is φ = 36344380.

The previous prime is 36344353. The next prime is 36344383. The reversal of 36344381 is 18344363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24552025 + 11792356 = 4955^2 + 3434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36344381 is a prime.

It is a super-2 number, since 2×36344381² = 2641828060546322, which contains 22 as substring.

Together with 36344383, 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 (36344383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18172190 + 18172191.

It is an arithmetic number, because the mean of its divisors is an integer number (18172191).

Almost surely, 2^36344381 is an apocalyptic number.

It is an amenable number.

36344381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36344381 is an equidigital number, since it uses as much as digits as its factorization.

36344381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 36344381 is about 6028.6301097347. The cubic root of 36344381 is about 331.2422750780.

It can be divided in two parts, 363 and 44381, that added together give a palindrome (44744).

The spelling of 36344381 in words is "thirty-six million, three hundred forty-four thousand, three hundred eighty-one".