3931273 has 2 divisors, whose sum is σ = 3931274. Its totient is φ = 3931272.

The previous prime is 3931261. The next prime is 3931283. The reversal of 3931273 is 3721393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 1065024 = 1693^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 3931273 - 2⁵ = 3931241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3931283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965636 + 1965637.

It is an arithmetic number, because the mean of its divisors is an integer number (1965637).

Almost surely, 2^3931273 is an apocalyptic number.

It is an amenable number.

3931273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3931273 is an equidigital number, since it uses as much as digits as its factorization.

3931273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 28.

The square root of 3931273 is about 1982.7438059417. The cubic root of 3931273 is about 157.8257037542.

The spelling of 3931273 in words is "three million, nine hundred thirty-one thousand, two hundred seventy-three".