1852205 has 4 divisors (see below), whose sum is σ = 2222652. Its totient is φ = 1481760.

The previous prime is 1852189. The next prime is 1852211. The reversal of 1852205 is 5022581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5022581 = 881 ⋅5701.

It can be written as a sum of positive squares in 2 ways, for example, as 1283689 + 568516 = 1133^2 + 754^2 .

It is not a de Polignac number, because 1852205 - 2⁴ = 1852189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185216 + ... + 185225.

It is an arithmetic number, because the mean of its divisors is an integer number (555663).

2^1852205 is an apocalyptic number.

It is an amenable number.

1852205 is a deficient number, since it is larger than the sum of its proper divisors (370447).

1852205 is an equidigital number, since it uses as much as digits as its factorization.

1852205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370446.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1852205 is about 1360.9573836091. The cubic root of 1852205 is about 122.8088555119.

Adding to 1852205 its reverse (5022581), we get a palindrome (6874786).

The spelling of 1852205 in words is "one million, eight hundred fifty-two thousand, two hundred five".