36651225 has 24 divisors (see below), whose sum is σ = 65259712. Its totient is φ = 18043200.

The previous prime is 36651163. The next prime is 36651227. The reversal of 36651225 is 52215663.

It is not a de Polignac number, because 36651225 - 2⁶ = 36651161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36651192 and 36651201.

It is not an unprimeable number, because it can be changed into a prime (36651227) 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, 17821 + ... + 19770.

Almost surely, 2^36651225 is an apocalyptic number.

It is an amenable number.

36651225 is a deficient number, since it is larger than the sum of its proper divisors (28608487).

36651225 is a wasteful number, since it uses less digits than its factorization.

36651225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37617 (or 37612 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 36651225 is about 6054.0255202634. The cubic root of 36651225 is about 332.1718548259.

Adding to 36651225 its reverse (52215663), we get a palindrome (88866888).

The spelling of 36651225 in words is "thirty-six million, six hundred fifty-one thousand, two hundred twenty-five".