3637061 has 2 divisors, whose sum is σ = 3637062. Its totient is φ = 3637060.

The previous prime is 3637057. The next prime is 3637087. The reversal of 3637061 is 1607363.

It is an a-pointer prime, because the next prime (3637087) can be obtained adding 3637061 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 4225 = 1906^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 3637061 - 2² = 3637057 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3637061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3634061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818530 + 1818531.

It is an arithmetic number, because the mean of its divisors is an integer number (1818531).

Almost surely, 2^3637061 is an apocalyptic number.

It is an amenable number.

3637061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3637061 is an equidigital number, since it uses as much as digits as its factorization.

3637061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3637061 is about 1907.1080200135. The cubic root of 3637061 is about 153.7860214805.

The spelling of 3637061 in words is "three million, six hundred thirty-seven thousand, sixty-one".