41239381 has 2 divisors, whose sum is σ = 41239382. Its totient is φ = 41239380.

The previous prime is 41239361. The next prime is 41239397. The reversal of 41239381 is 18393214.

41239381 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 + 6027025 = 5934^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 41239381 - 2¹³ = 41231189 is a prime.

It is a super-2 number, since 2×41239381² = 3401373090526322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41239301) 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, 20619690 + 20619691.

It is an arithmetic number, because the mean of its divisors is an integer number (20619691).

Almost surely, 2^41239381 is an apocalyptic number.

It is an amenable number.

41239381 is a deficient number, since it is larger than the sum of its proper divisors (1).

41239381 is an equidigital number, since it uses as much as digits as its factorization.

41239381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 41239381 is about 6421.7895480933. The cubic root of 41239381 is about 345.4915097502.

It can be divided in two parts, 412 and 39381, that added together give a palindrome (39793).

The spelling of 41239381 in words is "forty-one million, two hundred thirty-nine thousand, three hundred eighty-one".