40103683 has 2 divisors, whose sum is σ = 40103684. Its totient is φ = 40103682.

The previous prime is 40103681. The next prime is 40103741. The reversal of 40103683 is 38630104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40103683 - 2¹ = 40103681 is a prime.

Together with 40103681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40103681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051841 + 20051842.

It is an arithmetic number, because the mean of its divisors is an integer number (20051842).

Almost surely, 2^40103683 is an apocalyptic number.

40103683 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103683 is an equidigital number, since it uses as much as digits as its factorization.

40103683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40103683 is about 6332.7468763563. The cubic root of 40103683 is about 342.2904267830.

Adding to 40103683 its reverse (38630104), we get a palindrome (78733787).

The spelling of 40103683 in words is "forty million, one hundred three thousand, six hundred eighty-three".