3681037 has 2 divisors, whose sum is σ = 3681038. Its totient is φ = 3681036.

The previous prime is 3681031. The next prime is 3681043. The reversal of 3681037 is 7301863.

It is a balanced prime because it is at equal distance from previous prime (3681031) and next prime (3681043).

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 1590121 = 1446^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3681037 - 2¹⁵ = 3648269 is a prime.

3681037 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3680996 and 3681014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3681031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840518 + 1840519.

It is an arithmetic number, because the mean of its divisors is an integer number (1840519).

Almost surely, 2^3681037 is an apocalyptic number.

It is an amenable number.

3681037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681037 is an equidigital number, since it uses as much as digits as its factorization.

3681037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3681037 is about 1918.6028770957. The cubic root of 3681037 is about 154.4033531492.

The spelling of 3681037 in words is "three million, six hundred eighty-one thousand, thirty-seven".