37036861 has 2 divisors, whose sum is σ = 37036862. Its totient is φ = 37036860.

The previous prime is 37036793. The next prime is 37036903. The reversal of 37036861 is 16863073.

37036861 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., 29224836 + 7812025 = 5406^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 37036861 - 2⁷ = 37036733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37036561) 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, 18518430 + 18518431.

It is an arithmetic number, because the mean of its divisors is an integer number (18518431).

Almost surely, 2^37036861 is an apocalyptic number.

It is an amenable number.

37036861 is a deficient number, since it is larger than the sum of its proper divisors (1).

37036861 is an equidigital number, since it uses as much as digits as its factorization.

37036861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 37036861 is about 6085.7917315662. The cubic root of 37036861 is about 333.3328052214.

The spelling of 37036861 in words is "thirty-seven million, thirty-six thousand, eight hundred sixty-one".