41618261 has 4 divisors (see below), whose sum is σ = 44066412. Its totient is φ = 39170112.

The previous prime is 41618257. The next prime is 41618299. The reversal of 41618261 is 16281614.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17901361 + 23716900 = 4231^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 41618261 - 2² = 41618257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41618251) 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, 1224050 + ... + 1224083.

It is an arithmetic number, because the mean of its divisors is an integer number (11016603).

Almost surely, 2^41618261 is an apocalyptic number.

It is an amenable number.

41618261 is a deficient number, since it is larger than the sum of its proper divisors (2448151).

41618261 is a wasteful number, since it uses less digits than its factorization.

41618261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448150.

The product of its digits is 2304, while the sum is 29.

The square root of 41618261 is about 6451.2216672503. The cubic root of 41618261 is about 346.5463346950.

Adding to 41618261 its reverse (16281614), we get a palindrome (57899875).

The spelling of 41618261 in words is "forty-one million, six hundred eighteen thousand, two hundred sixty-one".