41556379 has 2 divisors, whose sum is σ = 41556380. Its totient is φ = 41556378.

The previous prime is 41556343. The next prime is 41556397. The reversal of 41556379 is 97365514.

Together with next prime (41556397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41556379 is a prime.

It is not a weakly prime, because it can be changed into another prime (41556079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20778189 + 20778190.

It is an arithmetic number, because the mean of its divisors is an integer number (20778190).

Almost surely, 2^41556379 is an apocalyptic number.

41556379 is a deficient number, since it is larger than the sum of its proper divisors (1).

41556379 is an equidigital number, since it uses as much as digits as its factorization.

41556379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 41556379 is about 6446.4237372360. The cubic root of 41556379 is about 346.3744901138.

The spelling of 41556379 in words is "forty-one million, five hundred fifty-six thousand, three hundred seventy-nine".