1505005 has 12 divisors (see below), whose sum is σ = 1891260. Its totient is φ = 1149632.

The previous prime is 1505003. The next prime is 1505011. The reversal of 1505005 is 5005051.

It can be written as a sum of positive squares in 2 ways, for example, as 385641 + 1119364 = 621^2 + 1058^2 .

It is not a de Polignac number, because 1505005 - 2¹ = 1505003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1505005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2361 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (157605).

2^1505005 is an apocalyptic number.

It is an amenable number.

1505005 is a deficient number, since it is larger than the sum of its proper divisors (386255).

1505005 is an equidigital number, since it uses as much as digits as its factorization.

1505005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 1505005 is about 1226.7864524847. The cubic root of 1505005 is about 114.5986005736.

The spelling of 1505005 in words is "one million, five hundred five thousand, five".