41505631 has 2 divisors, whose sum is σ = 41505632. Its totient is φ = 41505630.

The previous prime is 41505623. The next prime is 41505643. The reversal of 41505631 is 13650514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41505631 - 2³ = 41505623 is a prime.

It is a super-2 number, since 2×41505631² = 3445434809416322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41505596 and 41505605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41505031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20752815 + 20752816.

It is an arithmetic number, because the mean of its divisors is an integer number (20752816).

Almost surely, 2^41505631 is an apocalyptic number.

41505631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41505631 is an equidigital number, since it uses as much as digits as its factorization.

41505631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 41505631 is about 6442.4863988991. The cubic root of 41505631 is about 346.2334369779.

The spelling of 41505631 in words is "forty-one million, five hundred five thousand, six hundred thirty-one".