3945031 has 2 divisors, whose sum is σ = 3945032. Its totient is φ = 3945030.

The previous prime is 3945017. The next prime is 3945047. The reversal of 3945031 is 1305493.

3945031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3945031 - 2⁵ = 3944999 is a prime.

It is a super-2 number, since 2×3945031² = 31126539181922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3944987 and 3945005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3945631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972515 + 1972516.

It is an arithmetic number, because the mean of its divisors is an integer number (1972516).

Almost surely, 2^3945031 is an apocalyptic number.

3945031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945031 is an equidigital number, since it uses as much as digits as its factorization.

3945031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3945031 is about 1986.2102104259. The cubic root of 3945031 is about 158.0095999081.

The spelling of 3945031 in words is "three million, nine hundred forty-five thousand, thirty-one".