941313221 has 2 divisors, whose sum is σ = 941313222. Its totient is φ = 941313220.

The previous prime is 941313193. The next prime is 941313281. The reversal of 941313221 is 122313149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729756196 + 211557025 = 27014^2 + 14545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-941313221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (941313281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470656610 + 470656611.

It is an arithmetic number, because the mean of its divisors is an integer number (470656611).

Almost surely, 2^941313221 is an apocalyptic number.

It is an amenable number.

941313221 is a deficient number, since it is larger than the sum of its proper divisors (1).

941313221 is an equidigital number, since it uses as much as digits as its factorization.

941313221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 941313221 is about 30680.8282319757. The cubic root of 941313221 is about 980.0420712884.

The spelling of 941313221 in words is "nine hundred forty-one million, three hundred thirteen thousand, two hundred twenty-one".