41891001 has 4 divisors (see below), whose sum is σ = 55854672. Its totient is φ = 27927332.

The previous prime is 41890999. The next prime is 41891023. The reversal of 41891001 is 10019814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41891001 - 2¹ = 41890999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41891081) 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, 6981831 + ... + 6981836.

It is an arithmetic number, because the mean of its divisors is an integer number (13963668).

Almost surely, 2^41891001 is an apocalyptic number.

It is an amenable number.

41891001 is a deficient number, since it is larger than the sum of its proper divisors (13963671).

41891001 is a wasteful number, since it uses less digits than its factorization.

41891001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963670.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 41891001 is about 6472.3257798105. The cubic root of 41891001 is about 347.3017028514.

It can be divided in two parts, 418 and 91001, that added together give a palindrome (91419).

The spelling of 41891001 in words is "forty-one million, eight hundred ninety-one thousand, one".