36655631 has 2 divisors, whose sum is σ = 36655632. Its totient is φ = 36655630.

The previous prime is 36655573. The next prime is 36655637. The reversal of 36655631 is 13655663.

36655631 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36655631 is a prime.

It is a super-2 number, since 2×36655631² = 2687270568016322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36655591 and 36655600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36655637) 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, 18327815 + 18327816.

It is an arithmetic number, because the mean of its divisors is an integer number (18327816).

Almost surely, 2^36655631 is an apocalyptic number.

36655631 is a deficient number, since it is larger than the sum of its proper divisors (1).

36655631 is an equidigital number, since it uses as much as digits as its factorization.

36655631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 35.

The square root of 36655631 is about 6054.3893994358. The cubic root of 36655631 is about 332.1851648908.

The spelling of 36655631 in words is "thirty-six million, six hundred fifty-five thousand, six hundred thirty-one".