41872861 has 2 divisors, whose sum is σ = 41872862. Its totient is φ = 41872860.

The previous prime is 41872843. The next prime is 41872867. The reversal of 41872861 is 16827814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 3308761 = 6210^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 41872861 - 2⁵ = 41872829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41872861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41872867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20936430 + 20936431.

It is an arithmetic number, because the mean of its divisors is an integer number (20936431).

Almost surely, 2^41872861 is an apocalyptic number.

It is an amenable number.

41872861 is a deficient number, since it is larger than the sum of its proper divisors (1).

41872861 is an equidigital number, since it uses as much as digits as its factorization.

41872861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 41872861 is about 6470.9242771029. The cubic root of 41872861 is about 347.2515650945.

The spelling of 41872861 in words is "forty-one million, eight hundred seventy-two thousand, eight hundred sixty-one".