36508681 has 8 divisors (see below), whose sum is σ = 39871584. Its totient is φ = 33153120.

The previous prime is 36508657. The next prime is 36508711. The reversal of 36508681 is 18680563.

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

It is not a de Polignac number, because 36508681 - 2¹⁵ = 36475913 is a prime.

It is a super-2 number, since 2×36508681² = 2665767576719522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36508681.

It is not an unprimeable number, because it can be changed into a prime (36508621) 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, 17226 + ... + 19228.

It is an arithmetic number, because the mean of its divisors is an integer number (4983948).

Almost surely, 2^36508681 is an apocalyptic number.

It is an amenable number.

36508681 is a deficient number, since it is larger than the sum of its proper divisors (3362903).

36508681 is a wasteful number, since it uses less digits than its factorization.

36508681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 36508681 is about 6042.2413887563. The cubic root of 36508681 is about 331.7406675895.

The spelling of 36508681 in words is "thirty-six million, five hundred eight thousand, six hundred eighty-one".