41201891 has 4 divisors (see below), whose sum is σ = 41580000. Its totient is φ = 40823784.

The previous prime is 41201879. The next prime is 41201903. The reversal of 41201891 is 19810214.

41201891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (41201879) and next prime (41201903).

It is a cyclic number.

It is not a de Polignac number, because 41201891 - 2⁶ = 41201827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41201891.

It is not an unprimeable number, because it can be changed into a prime (41201801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188891 + ... + 189108.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2^41201891 is an apocalyptic number.

41201891 is a deficient number, since it is larger than the sum of its proper divisors (378109).

41201891 is a wasteful number, since it uses less digits than its factorization.

41201891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378108.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 41201891 is about 6418.8699161145. The cubic root of 41201891 is about 345.3867845796.

The spelling of 41201891 in words is "forty-one million, two hundred one thousand, eight hundred ninety-one".