1550525 has 12 divisors (see below), whose sum is σ = 1943700. Its totient is φ = 1226880.

The previous prime is 1550513. The next prime is 1550539. The reversal of 1550525 is 5250551.

1550525 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 6 ways, for example, as 76729 + 1473796 = 277^2 + 1214^2 .

It is not a de Polignac number, because 1550525 - 2⁴ = 1550509 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1550525.

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 11 ways as a sum of consecutive naturals, for example, 2441 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (161975).

2^1550525 is an apocalyptic number.

It is an amenable number.

1550525 is a deficient number, since it is larger than the sum of its proper divisors (393175).

1550525 is a wasteful number, since it uses less digits than its factorization.

1550525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 1550525 is about 1245.2007870219. The cubic root of 1550525 is about 115.7425174799.

The spelling of 1550525 in words is "one million, five hundred fifty thousand, five hundred twenty-five".