3975437 has 2 divisors, whose sum is σ = 3975438. Its totient is φ = 3975436.

The previous prime is 3975383. The next prime is 3975449. The reversal of 3975437 is 7345793.

3975437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 51076 = 1981^2 + 226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3975437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3975437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3975487) 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, 1987718 + 1987719.

It is an arithmetic number, because the mean of its divisors is an integer number (1987719).

Almost surely, 2^3975437 is an apocalyptic number.

It is an amenable number.

3975437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975437 is an equidigital number, since it uses as much as digits as its factorization.

3975437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 38.

The square root of 3975437 is about 1993.8497937407. The cubic root of 3975437 is about 158.4145100514.

The spelling of 3975437 in words is "three million, nine hundred seventy-five thousand, four hundred thirty-seven".