36523121 has 4 divisors (see below), whose sum is σ = 36549744. Its totient is φ = 36496500.

The previous prime is 36523099. The next prime is 36523129. The reversal of 36523121 is 12132563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12132563 = 31 ⋅391373.

It is a cyclic number.

It is not a de Polignac number, because 36523121 - 2¹⁸ = 36260977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36523129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11135 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (9137436).

Almost surely, 2^36523121 is an apocalyptic number.

It is an amenable number.

36523121 is a deficient number, since it is larger than the sum of its proper divisors (26623).

36523121 is a wasteful number, since it uses less digits than its factorization.

36523121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26622.

The product of its digits is 1080, while the sum is 23.

The square root of 36523121 is about 6043.4361914394. The cubic root of 36523121 is about 331.7843987760.

Adding to 36523121 its reverse (12132563), we get a palindrome (48655684).

The spelling of 36523121 in words is "thirty-six million, five hundred twenty-three thousand, one hundred twenty-one".