41281631 has 2 divisors, whose sum is σ = 41281632. Its totient is φ = 41281630.

The previous prime is 41281621. The next prime is 41281633. The reversal of 41281631 is 13618214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41281631 - 2²² = 37087327 is a prime.

It is a super-2 number, since 2×41281631² = 3408346116040322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 41281633, 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 41281631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41281633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20640815 + 20640816.

It is an arithmetic number, because the mean of its divisors is an integer number (20640816).

Almost surely, 2^41281631 is an apocalyptic number.

41281631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41281631 is an equidigital number, since it uses as much as digits as its factorization.

41281631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 41281631 is about 6425.0782874608. The cubic root of 41281631 is about 345.6094555410.

Adding to 41281631 its reverse (13618214), we get a palindrome (54899845).

The spelling of 41281631 in words is "forty-one million, two hundred eighty-one thousand, six hundred thirty-one".