36553225 has 24 divisors (see below), whose sum is σ = 47685440. Its totient is φ = 27760320.

The previous prime is 36553219. The next prime is 36553229. The reversal of 36553225 is 52235563.

36553225 = 666² + 667² + ... + 739².

It is not a de Polignac number, because 36553225 - 2¹⁷ = 36422153 is a prime.

It is a super-2 number, since 2×36553225² = 2672276515801250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36553229) 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, 39316 + ... + 40234.

Almost surely, 2^36553225 is an apocalyptic number.

It is an amenable number.

36553225 is a deficient number, since it is larger than the sum of its proper divisors (11132215).

36553225 is a wasteful number, since it uses less digits than its factorization.

36553225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1004 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 36553225 is about 6045.9263144699. The cubic root of 36553225 is about 331.8755309532.

Adding to 36553225 its reverse (52235563), we get a palindrome (88788788).

The spelling of 36553225 in words is "thirty-six million, five hundred fifty-three thousand, two hundred twenty-five".