1089525 has 24 divisors (see below), whose sum is σ = 1835200. Its totient is φ = 570240.

The previous prime is 1089523. The next prime is 1089551. The reversal of 1089525 is 5259801.

It is not a de Polignac number, because 1089525 - 2¹ = 1089523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1089492 and 1089501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089523) 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 23 ways as a sum of consecutive naturals, for example, 5376 + ... + 5574.

2^1089525 is an apocalyptic number.

1089525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1089525 is a deficient number, since it is larger than the sum of its proper divisors (745675).

1089525 is a wasteful number, since it uses less digits than its factorization.

1089525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1089525 is about 1043.8031423597. The cubic root of 1089525 is about 102.8992951679.

The spelling of 1089525 in words is "one million, eighty-nine thousand, five hundred twenty-five".