36531663 has 8 divisors (see below), whose sum is σ = 55667328. Its totient is φ = 20875224.

The previous prime is 36531647. The next prime is 36531673. The reversal of 36531663 is 36613563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36531663 - 2⁴ = 36531647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36531673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869781 + ... + 869822.

It is an arithmetic number, because the mean of its divisors is an integer number (6958416).

Almost surely, 2^36531663 is an apocalyptic number.

36531663 is a deficient number, since it is larger than the sum of its proper divisors (19135665).

36531663 is a wasteful number, since it uses less digits than its factorization.

36531663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739613.

The product of its digits is 29160, while the sum is 33.

The square root of 36531663 is about 6044.1428672724. The cubic root of 36531663 is about 331.8102625881.

The spelling of 36531663 in words is "thirty-six million, five hundred thirty-one thousand, six hundred sixty-three".