36618225 has 48 divisors (see below), whose sum is σ = 72852480. Its totient is φ = 15854400.

The previous prime is 36618203. The next prime is 36618227. The reversal of 36618225 is 52281663.

It is not a de Polignac number, because 36618225 - 2⁵ = 36618193 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36618227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8140 + ... + 11810.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^36618225 is an apocalyptic number.

36618225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36618225 is a deficient number, since it is larger than the sum of its proper divisors (36234255).

36618225 is a wasteful number, since it uses less digits than its factorization.

36618225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3705 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 36618225 is about 6051.2994472262. The cubic root of 36618225 is about 332.0721313492.

Adding to 36618225 its reverse (52281663), we get a palindrome (88899888).

The spelling of 36618225 in words is "thirty-six million, six hundred eighteen thousand, two hundred twenty-five".