36521633 has 8 divisors (see below), whose sum is σ = 37268352. Its totient is φ = 35780976.

The previous prime is 36521623. The next prime is 36521651. The reversal of 36521633 is 33612563.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 36521633 - 2⁸ = 36521377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36521596 and 36521605.

It is not an unprimeable number, because it can be changed into a prime (36521603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11816 + ... + 14582.

It is an arithmetic number, because the mean of its divisors is an integer number (4658544).

Almost surely, 2^36521633 is an apocalyptic number.

It is an amenable number.

36521633 is a deficient number, since it is larger than the sum of its proper divisors (746719).

36521633 is a wasteful number, since it uses less digits than its factorization.

36521633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its digits is 9720, while the sum is 29.

The square root of 36521633 is about 6043.3130814149. The cubic root of 36521633 is about 331.7798929372.

The spelling of 36521633 in words is "thirty-six million, five hundred twenty-one thousand, six hundred thirty-three".