41879561 has 4 divisors (see below), whose sum is σ = 41892624. Its totient is φ = 41866500.

The previous prime is 41879533. The next prime is 41879587. The reversal of 41879561 is 16597814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 41879561 - 2¹⁰ = 41878537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41879501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1946 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (10473156).

Almost surely, 2^41879561 is an apocalyptic number.

It is an amenable number.

41879561 is a deficient number, since it is larger than the sum of its proper divisors (13063).

41879561 is an equidigital number, since it uses as much as digits as its factorization.

41879561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062.

The product of its digits is 60480, while the sum is 41.

The square root of 41879561 is about 6471.4419567821. The cubic root of 41879561 is about 347.2700851363.

The spelling of 41879561 in words is "forty-one million, eight hundred seventy-nine thousand, five hundred sixty-one".