41561803 has 4 divisors (see below), whose sum is σ = 41973408. Its totient is φ = 41150200.

The previous prime is 41561777. The next prime is 41561813. The reversal of 41561803 is 30816514.

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

It is a cyclic number.

It is not a de Polignac number, because 41561803 - 2²¹ = 39464651 is a prime.

It is a super-2 number, since 2×41561803² = 3454766937221618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41561813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205651 + ... + 205852.

It is an arithmetic number, because the mean of its divisors is an integer number (10493352).

Almost surely, 2^41561803 is an apocalyptic number.

41561803 is a deficient number, since it is larger than the sum of its proper divisors (411605).

41561803 is a wasteful number, since it uses less digits than its factorization.

41561803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411604.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 41561803 is about 6446.8444218858. The cubic root of 41561803 is about 346.3895592284.

The spelling of 41561803 in words is "forty-one million, five hundred sixty-one thousand, eight hundred three".