36001225 has 18 divisors (see below), whose sum is σ = 48345306. Its totient is φ = 26582400.

The previous prime is 36001183. The next prime is 36001241. The reversal of 36001225 is 52210063.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 23242041 + 12759184 = 4821^2 + 3572^2 .

It is not a de Polignac number, because 36001225 - 2²³ = 27612617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36 + ... + 8485.

Almost surely, 2^36001225 is an apocalyptic number.

It is an amenable number.

36001225 is a deficient number, since it is larger than the sum of its proper divisors (12344081).

36001225 is a wasteful number, since it uses less digits than its factorization.

36001225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557 (or 8539 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 36001225 is about 6000.1020824649. The cubic root of 36001225 is about 330.1964700885.

Adding to 36001225 its reverse (52210063), we get a palindrome (88211288).

It can be divided in two parts, 3600 and 1225, that multiplied together give a square (4410000 = 2100²).

The spelling of 36001225 in words is "thirty-six million, one thousand, two hundred twenty-five".