41785631 has 2 divisors, whose sum is σ = 41785632. Its totient is φ = 41785630.

The previous prime is 41785621. The next prime is 41785633. The reversal of 41785631 is 13658714.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41785631 - 2⁶ = 41785567 is a prime.

It is a super-2 number, since 2×41785631² = 3492077916136322, which contains 22 as substring.

Together with 41785633, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 41785591 and 41785600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41785633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20892815 + 20892816.

It is an arithmetic number, because the mean of its divisors is an integer number (20892816).

Almost surely, 2^41785631 is an apocalyptic number.

41785631 is a deficient number, since it is larger than the sum of its proper divisors (1).

41785631 is an equidigital number, since it uses as much as digits as its factorization.

41785631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 41785631 is about 6464.1806131945. The cubic root of 41785631 is about 347.0102647098.

The spelling of 41785631 in words is "forty-one million, seven hundred eighty-five thousand, six hundred thirty-one".