41381531 has 8 divisors (see below), whose sum is σ = 43390464. Its totient is φ = 39390120.

The previous prime is 41381513. The next prime is 41381533. The reversal of 41381531 is 13518314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41381531 - 2¹⁸ = 41119387 is a prime.

It is a super-2 number, since 2×41381531² = 3424862215807922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41381531.

It is not an unprimeable number, because it can be changed into a prime (41381533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 9116.

It is an arithmetic number, because the mean of its divisors is an integer number (5423808).

Almost surely, 2^41381531 is an apocalyptic number.

41381531 is a deficient number, since it is larger than the sum of its proper divisors (2008933).

41381531 is a wasteful number, since it uses less digits than its factorization.

41381531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761.

The product of its digits is 1440, while the sum is 26.

The square root of 41381531 is about 6432.8478141489. The cubic root of 41381531 is about 345.8880182682. Note that the first 3 decimals are identical.

Adding to 41381531 its reverse (13518314), we get a palindrome (54899845).

The spelling of 41381531 in words is "forty-one million, three hundred eighty-one thousand, five hundred thirty-one".