41420561 has 8 divisors (see below), whose sum is σ = 50979264. Its totient is φ = 32772240.

The previous prime is 41420549. The next prime is 41420563. The reversal of 41420561 is 16502414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41420561 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (41420563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227495 + ... + 227676.

It is an arithmetic number, because the mean of its divisors is an integer number (6372408).

Almost surely, 2^41420561 is an apocalyptic number.

It is an amenable number.

41420561 is a deficient number, since it is larger than the sum of its proper divisors (9558703).

41420561 is a wasteful number, since it uses less digits than its factorization.

41420561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455191.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 41420561 is about 6435.8807478076. The cubic root of 41420561 is about 345.9967283373.

Adding to 41420561 its reverse (16502414), we get a palindrome (57922975).

The spelling of 41420561 in words is "forty-one million, four hundred twenty thousand, five hundred sixty-one".