1506225 has 48 divisors (see below), whose sum is σ = 3015680. Its totient is φ = 648000.

The previous prime is 1506223. The next prime is 1506229. The reversal of 1506225 is 5226051.

It is not a de Polignac number, because 1506225 - 2¹ = 1506223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1506223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9900 + ... + 10050.

2^1506225 is an apocalyptic number.

1506225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1506225 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1506225 is a wasteful number, since it uses less digits than its factorization.

1506225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1506225 is about 1227.2835858105. The cubic root of 1506225 is about 114.6295578421.

The spelling of 1506225 in words is "one million, five hundred six thousand, two hundred twenty-five".