1852090213 has 4 divisors (see below), whose sum is σ = 1854703180. Its totient is φ = 1849477248.

The previous prime is 1852090199. The next prime is 1852090231. The reversal of 1852090213 is 3120902581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120902581 = 2137 ⋅1460413.

It can be written as a sum of positive squares in 2 ways, for example, as 446815044 + 1405275169 = 21138^2 + 37487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1852090213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852090243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305420 + ... + 1306837.

It is an arithmetic number, because the mean of its divisors is an integer number (463675795).

Almost surely, 2^1852090213 is an apocalyptic number.

It is an amenable number.

1852090213 is a deficient number, since it is larger than the sum of its proper divisors (2612967).

1852090213 is an equidigital number, since it uses as much as digits as its factorization.

1852090213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612966.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1852090213 is about 43035.9177083515. The cubic root of 1852090213 is about 1228.0631850851.

Adding to 1852090213 its reverse (3120902581), we get a palindrome (4972992794).

The spelling of 1852090213 in words is "one billion, eight hundred fifty-two million, ninety thousand, two hundred thirteen".