36121533 has 16 divisors (see below), whose sum is σ = 56386176. Its totient is φ = 20136960.

The previous prime is 36121531. The next prime is 36121543. The reversal of 36121533 is 33512163.

It is a happy number.

It is not a de Polignac number, because 36121533 - 2¹ = 36121531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36121531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20116 + ... + 21837.

It is an arithmetic number, because the mean of its divisors is an integer number (3524136).

Almost surely, 2^36121533 is an apocalyptic number.

It is an amenable number.

36121533 is a deficient number, since it is larger than the sum of its proper divisors (20264643).

36121533 is a wasteful number, since it uses less digits than its factorization.

36121533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42004.

The product of its digits is 1620, while the sum is 24.

The square root of 36121533 is about 6010.1192167876. The cubic root of 36121533 is about 330.5638752524.

Adding to 36121533 its reverse (33512163), we get a palindrome (69633696).

The spelling of 36121533 in words is "thirty-six million, one hundred twenty-one thousand, five hundred thirty-three".