41577961 has 4 divisors (see below), whose sum is σ = 41612500. Its totient is φ = 41543424.

The previous prime is 41577923. The next prime is 41577979. The reversal of 41577961 is 16977514.

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 7425625 + 34152336 = 2725^2 + 5844^2 .

It is a cyclic number.

It is not a de Polignac number, because 41577961 - 2⁹ = 41577449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41577061) 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, 15396 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (10403125).

Almost surely, 2^41577961 is an apocalyptic number.

It is an amenable number.

41577961 is a deficient number, since it is larger than the sum of its proper divisors (34539).

41577961 is a wasteful number, since it uses less digits than its factorization.

41577961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34538.

The product of its digits is 52920, while the sum is 40.

The square root of 41577961 is about 6448.0974713477. The cubic root of 41577961 is about 346.4344420850.

The spelling of 41577961 in words is "forty-one million, five hundred seventy-seven thousand, nine hundred sixty-one".