1548225 has 36 divisors (see below), whose sum is σ = 3172416. Its totient is φ = 707040.

The previous prime is 1548221. The next prime is 1548247. The reversal of 1548225 is 5228451.

It is a happy number.

It is not a de Polignac number, because 1548225 - 2² = 1548221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1548221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1084 + ... + 2066.

2^1548225 is an apocalyptic number.

1548225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1548225 is an abundant number, since it is smaller than the sum of its proper divisors (1624191).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1548225 is a wasteful number, since it uses less digits than its factorization.

1548225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 998 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1548225 is about 1244.2768984434. The cubic root of 1548225 is about 115.6852595561.

The spelling of 1548225 in words is "one million, five hundred forty-eight thousand, two hundred twenty-five".