3625997 has 2 divisors, whose sum is σ = 3625998. Its totient is φ = 3625996.

The previous prime is 3625991. The next prime is 3626009. The reversal of 3625997 is 7995263.

3625997 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 can be written as a sum of positive squares in only one way, i.e., 2328676 + 1297321 = 1526^2 + 1139^2 .

It is an emirp because it is prime and its reverse (7995263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3625997 - 2¹⁶ = 3560461 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3625991) 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, 1812998 + 1812999.

It is an arithmetic number, because the mean of its divisors is an integer number (1812999).

Almost surely, 2^3625997 is an apocalyptic number.

It is an amenable number.

3625997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625997 is an equidigital number, since it uses as much as digits as its factorization.

3625997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 3625997 is about 1904.2050834928. The cubic root of 3625997 is about 153.6299232112.

The spelling of 3625997 in words is "three million, six hundred twenty-five thousand, nine hundred ninety-seven".