41145631 has 2 divisors, whose sum is σ = 41145632. Its totient is φ = 41145630.

The previous prime is 41145623. The next prime is 41145641. The reversal of 41145631 is 13654114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41145631 - 2³ = 41145623 is a prime.

It is a super-2 number, since 2×41145631² = 3385925900776322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41145596 and 41145605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41145641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20572815 + 20572816.

It is an arithmetic number, because the mean of its divisors is an integer number (20572816).

Almost surely, 2^41145631 is an apocalyptic number.

41145631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41145631 is an equidigital number, since it uses as much as digits as its factorization.

41145631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 41145631 is about 6414.4860277344. The cubic root of 41145631 is about 345.2295077240.

Adding to 41145631 its reverse (13654114), we get a palindrome (54799745).

The spelling of 41145631 in words is "forty-one million, one hundred forty-five thousand, six hundred thirty-one".