40861003 has 4 divisors (see below), whose sum is σ = 41111848. Its totient is φ = 40610160.

The previous prime is 40860973. The next prime is 40861019. The reversal of 40861003 is 30016804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40861003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40861063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125178 + ... + 125503.

It is an arithmetic number, because the mean of its divisors is an integer number (10277962).

Almost surely, 2^40861003 is an apocalyptic number.

40861003 is a deficient number, since it is larger than the sum of its proper divisors (250845).

40861003 is a wasteful number, since it uses less digits than its factorization.

40861003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250844.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40861003 is about 6392.2611805213. The cubic root of 40861003 is about 344.4316146877.

Adding to 40861003 its reverse (30016804), we get a palindrome (70877807).

The spelling of 40861003 in words is "forty million, eight hundred sixty-one thousand, three".