3981301 has 2 divisors, whose sum is σ = 3981302. Its totient is φ = 3981300.

The previous prime is 3981253. The next prime is 3981331. The reversal of 3981301 is 1031893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3418801 + 562500 = 1849^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3981301 - 2¹⁵ = 3948533 is a prime.

3981301 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3981331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990650 + 1990651.

It is an arithmetic number, because the mean of its divisors is an integer number (1990651).

Almost surely, 2^3981301 is an apocalyptic number.

It is an amenable number.

3981301 is a deficient number, since it is larger than the sum of its proper divisors (1).

3981301 is an equidigital number, since it uses as much as digits as its factorization.

3981301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3981301 is about 1995.3197738708. The cubic root of 3981301 is about 158.4923619801.

The spelling of 3981301 in words is "three million, nine hundred eighty-one thousand, three hundred one".