36537889 has 2 divisors, whose sum is σ = 36537890. Its totient is φ = 36537888.

The previous prime is 36537821. The next prime is 36537899. The reversal of 36537889 is 98873563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 12723489 = 4880^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 36537889 - 2¹⁵ = 36505121 is a prime.

It is not a weakly prime, because it can be changed into another prime (36537899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18268944 + 18268945.

It is an arithmetic number, because the mean of its divisors is an integer number (18268945).

Almost surely, 2^36537889 is an apocalyptic number.

It is an amenable number.

36537889 is a deficient number, since it is larger than the sum of its proper divisors (1).

36537889 is an equidigital number, since it uses as much as digits as its factorization.

36537889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 36537889 is about 6044.6578894095. The cubic root of 36537889 is about 331.8291113819.

The spelling of 36537889 in words is "thirty-six million, five hundred thirty-seven thousand, eight hundred eighty-nine".