1552525 has 24 divisors (see below), whose sum is σ = 2202984. Its totient is φ = 1075200.

The previous prime is 1552517. The next prime is 1552531. The reversal of 1552525 is 5252551.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 346921 + 1205604 = 589^2 + 1098^2 .

It is not a de Polignac number, because 1552525 - 2³ = 1552517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1552525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5385 + ... + 5665.

It is an arithmetic number, because the mean of its divisors is an integer number (91791).

2^1552525 is an apocalyptic number.

It is an amenable number.

1552525 is a deficient number, since it is larger than the sum of its proper divisors (650459).

1552525 is a wasteful number, since it uses less digits than its factorization.

1552525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 316 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 1552525 is about 1246.0036115517. The cubic root of 1552525 is about 115.7922609703.

Subtracting from 1552525 its product of digits (2500), we obtain a square (1550025 = 1245²).

The spelling of 1552525 in words is "one million, five hundred fifty-two thousand, five hundred twenty-five".