41953921 has 8 divisors (see below), whose sum is σ = 42425064. Its totient is φ = 41485440.

The previous prime is 41953889. The next prime is 41953937. The reversal of 41953921 is 12935914.

It can be written as a sum of positive squares in 4 ways, for example, as 4682896 + 37271025 = 2164^2 + 6105^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 41953921 - 2⁵ = 41953889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41953321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50691 + ... + 51511.

It is an arithmetic number, because the mean of its divisors is an integer number (5303133).

Almost surely, 2^41953921 is an apocalyptic number.

It is an amenable number.

41953921 is a deficient number, since it is larger than the sum of its proper divisors (471143).

41953921 is a wasteful number, since it uses less digits than its factorization.

41953921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 9720, while the sum is 34.

The square root of 41953921 is about 6477.1846507568. The cubic root of 41953921 is about 347.4754974701.

The spelling of 41953921 in words is "forty-one million, nine hundred fifty-three thousand, nine hundred twenty-one".