36521225 has 24 divisors (see below), whose sum is σ = 49288512. Its totient is φ = 26683200.

The previous prime is 36521203. The next prime is 36521227. The reversal of 36521225 is 52212563.

It is not a de Polignac number, because 36521225 - 2¹⁸ = 36259081 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36521194 and 36521203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36521227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32930 + ... + 34020.

It is an arithmetic number, because the mean of its divisors is an integer number (2053688).

Almost surely, 2^36521225 is an apocalyptic number.

It is an amenable number.

36521225 is a deficient number, since it is larger than the sum of its proper divisors (12767287).

36521225 is a wasteful number, since it uses less digits than its factorization.

36521225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1212 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 36521225 is about 6043.2793250023. The cubic root of 36521225 is about 331.7786574439.

Adding to 36521225 its reverse (52212563), we get a palindrome (88733788).

The spelling of 36521225 in words is "thirty-six million, five hundred twenty-one thousand, two hundred twenty-five".