41961961 has 4 divisors (see below), whose sum is σ = 42649924. Its totient is φ = 41274000.

The previous prime is 41961949. The next prime is 41961973. The reversal of 41961961 is 16916914.

41961961 = 4580² + 4581².

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (41961949) and next prime (41961973).

It can be written as a sum of positive squares in 2 ways, for example, as 20985561 + 20976400 = 4581^2 + 4580^2 .

It is a cyclic number.

It is not a de Polignac number, because 41961961 - 2⁷ = 41961833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41961961.

It is not an unprimeable number, because it can be changed into a prime (41961991) 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, 343890 + ... + 344011.

It is an arithmetic number, because the mean of its divisors is an integer number (10662481).

Almost surely, 2^41961961 is an apocalyptic number.

41961961 is the 4581-st centered square number.

It is an amenable number.

41961961 is a deficient number, since it is larger than the sum of its proper divisors (687963).

41961961 is an equidigital number, since it uses as much as digits as its factorization.

41961961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687962.

The product of its digits is 11664, while the sum is 37.

The square root of 41961961 is about 6477.8052610433. The cubic root of 41961961 is about 347.4976926507.

The spelling of 41961961 in words is "forty-one million, nine hundred sixty-one thousand, nine hundred sixty-one".