1553272 has 16 divisors (see below), whose sum is σ = 3328560. Its totient is φ = 665664.

The previous prime is 1553249. The next prime is 1553281. The reversal of 1553272 is 2723551.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13813 + ... + 13924.

It is an arithmetic number, because the mean of its divisors is an integer number (208035).

2^1553272 is an apocalyptic number.

It is an amenable number.

1553272 is an abundant number, since it is smaller than the sum of its proper divisors (1775288).

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

1553272 is a wasteful number, since it uses less digits than its factorization.

1553272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750 (or 27746 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 1553272 is about 1246.3033338638. The cubic root of 1553272 is about 115.8108292059.

The spelling of 1553272 in words is "one million, five hundred fifty-three thousand, two hundred seventy-two".