41218957 has 4 divisors (see below), whose sum is σ = 44389660. Its totient is φ = 38048256.

The previous prime is 41218943. The next prime is 41218963. The reversal of 41218957 is 75981214.

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 23629321 + 17589636 = 4861^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 41218957 - 2¹⁹ = 40694669 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 (41218907) 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, 1585332 + ... + 1585357.

It is an arithmetic number, because the mean of its divisors is an integer number (11097415).

Almost surely, 2^41218957 is an apocalyptic number.

It is an amenable number.

41218957 is a deficient number, since it is larger than the sum of its proper divisors (3170703).

41218957 is a wasteful number, since it uses less digits than its factorization.

41218957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170702.

The product of its digits is 20160, while the sum is 37.

The square root of 41218957 is about 6420.1991402136. The cubic root of 41218957 is about 345.4344648930.

The spelling of 41218957 in words is "forty-one million, two hundred eighteen thousand, nine hundred fifty-seven".