36033631 has 8 divisors (see below), whose sum is σ = 38070720. Its totient is φ = 34049568.

The previous prime is 36033619. The next prime is 36033649. The reversal of 36033631 is 13633063.

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 36033631 - 2⁹ = 36033119 is a prime.

It is a super-2 number, since 2×36033631² = 2596845126088322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36033596 and 36033605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36033691) 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, 11856 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (4758840).

Almost surely, 2^36033631 is an apocalyptic number.

36033631 is a deficient number, since it is larger than the sum of its proper divisors (2037089).

36033631 is a wasteful number, since it uses less digits than its factorization.

36033631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 36033631 is about 6002.8019290994. The cubic root of 36033631 is about 330.2955142907.

Adding to 36033631 its reverse (13633063), we get a palindrome (49666694).

The spelling of 36033631 in words is "thirty-six million, thirty-three thousand, six hundred thirty-one".