41971213 has 4 divisors (see below), whose sum is σ = 42356380. Its totient is φ = 41586048.

The previous prime is 41971201. The next prime is 41971217. The reversal of 41971213 is 31217914.

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 12236004 + 29735209 = 3498^2 + 5453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41971213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41971217) 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, 192420 + ... + 192637.

It is an arithmetic number, because the mean of its divisors is an integer number (10589095).

Almost surely, 2^41971213 is an apocalyptic number.

It is an amenable number.

41971213 is a deficient number, since it is larger than the sum of its proper divisors (385167).

41971213 is a wasteful number, since it uses less digits than its factorization.

41971213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385166.

The product of its digits is 1512, while the sum is 28.

The square root of 41971213 is about 6478.5193524447. The cubic root of 41971213 is about 347.5232301638.

The spelling of 41971213 in words is "forty-one million, nine hundred seventy-one thousand, two hundred thirteen".