1500225 has 24 divisors (see below), whose sum is σ = 2520672. Its totient is φ = 787200.

The previous prime is 1500181. The next prime is 1500229. The reversal of 1500225 is 5220051.

It is not a de Polignac number, because 1500225 - 2⁹ = 1499713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1500225 is a modest number, since divided by 225 gives 150 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500229) 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, 6105 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (105028).

2^1500225 is an apocalyptic number.

1500225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1500225 is a deficient number, since it is larger than the sum of its proper divisors (1020447).

1500225 is a wasteful number, since it uses less digits than its factorization.

1500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1500225 is about 1224.8367238126. The cubic root of 1500225 is about 114.4771475404.

Adding to 1500225 its reverse (5220051), we get a palindrome (6720276).

The spelling of 1500225 in words is "one million, five hundred thousand, two hundred twenty-five".