1205525 has 6 divisors (see below), whose sum is σ = 1494882. Its totient is φ = 964400.

The previous prime is 1205513. The next prime is 1205527. The reversal of 1205525 is 5255021.

It can be written as a sum of positive squares in 3 ways, for example, as 2116 + 1203409 = 46^2 + 1097^2 .

It is not a de Polignac number, because 1205525 - 2¹⁶ = 1139989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1205497 and 1205506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205527) 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, 24086 + ... + 24135.

It is an arithmetic number, because the mean of its divisors is an integer number (249147).

2^1205525 is an apocalyptic number.

It is an amenable number.

1205525 is a deficient number, since it is larger than the sum of its proper divisors (289357).

1205525 is an equidigital number, since it uses as much as digits as its factorization.

1205525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48231 (or 48226 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1205525 is about 1097.9640249116. The cubic root of 1205525 is about 106.4286958329.

The spelling of 1205525 in words is "one million, two hundred five thousand, five hundred twenty-five".