41558987 has 4 divisors (see below), whose sum is σ = 41572776. Its totient is φ = 41545200.

The previous prime is 41558983. The next prime is 41558989. The reversal of 41558987 is 78985514.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78985514 = 2 ⋅39492757.

It is a cyclic number.

It is not a de Polignac number, because 41558987 - 2² = 41558983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41558981) 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, 218 + ... + 9119.

It is an arithmetic number, because the mean of its divisors is an integer number (10393194).

Almost surely, 2^41558987 is an apocalyptic number.

41558987 is a deficient number, since it is larger than the sum of its proper divisors (13789).

41558987 is an equidigital number, since it uses as much as digits as its factorization.

41558987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788.

The product of its digits is 403200, while the sum is 47.

The square root of 41558987 is about 6446.6260167626. The cubic root of 41558987 is about 346.3817358989.

The spelling of 41558987 in words is "forty-one million, five hundred fifty-eight thousand, nine hundred eighty-seven".