3925637 has 2 divisors, whose sum is σ = 3925638. Its totient is φ = 3925636.

The previous prime is 3925631. The next prime is 3925667. The reversal of 3925637 is 7365293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3334276 + 591361 = 1826^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 3925637 - 2¹⁴ = 3909253 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3925597 and 3925606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3925631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962818 + 1962819.

It is an arithmetic number, because the mean of its divisors is an integer number (1962819).

Almost surely, 2^3925637 is an apocalyptic number.

It is an amenable number.

3925637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925637 is an equidigital number, since it uses as much as digits as its factorization.

3925637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 35.

The square root of 3925637 is about 1981.3220333908. The cubic root of 3925637 is about 157.7502463405.

It can be divided in two parts, 39256 and 37, that added together give a palindrome (39293).

The spelling of 3925637 in words is "three million, nine hundred twenty-five thousand, six hundred thirty-seven".