1118525 has 6 divisors (see below), whose sum is σ = 1387002. Its totient is φ = 894800.

The previous prime is 1118519. The next prime is 1118527. The reversal of 1118525 is 5258111.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 1104601 = 118^2 + 1051^2 .

It is not a de Polignac number, because 1118525 - 2¹⁸ = 856381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1118525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22346 + ... + 22395.

It is an arithmetic number, because the mean of its divisors is an integer number (231167).

2^1118525 is an apocalyptic number.

It is an amenable number.

1118525 is a deficient number, since it is larger than the sum of its proper divisors (268477).

1118525 is an equidigital number, since it uses as much as digits as its factorization.

1118525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44751 (or 44746 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

The square root of 1118525 is about 1057.6034228386. The cubic root of 1118525 is about 103.8042731475.

The spelling of 1118525 in words is "one million, one hundred eighteen thousand, five hundred twenty-five".