41211561 has 8 divisors (see below), whose sum is σ = 57337920. Its totient is φ = 26279792.

The previous prime is 41211529. The next prime is 41211563. The reversal of 41211561 is 16511214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41211561 - 2⁵ = 41211529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41211563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298566 + ... + 298703.

It is an arithmetic number, because the mean of its divisors is an integer number (7167240).

Almost surely, 2^41211561 is an apocalyptic number.

It is an amenable number.

41211561 is a deficient number, since it is larger than the sum of its proper divisors (16126359).

41211561 is a wasteful number, since it uses less digits than its factorization.

41211561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597295.

The product of its digits is 240, while the sum is 21.

The square root of 41211561 is about 6419.6231197789. The cubic root of 41211561 is about 345.4138029912.

Adding to 41211561 its reverse (16511214), we get a palindrome (57722775).

The spelling of 41211561 in words is "forty-one million, two hundred eleven thousand, five hundred sixty-one".