1852849297 has 4 divisors (see below), whose sum is σ = 1995376180. Its totient is φ = 1710322416.

The previous prime is 1852849279. The next prime is 1852849303. The reversal of 1852849297 is 7929482581.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1267644816 + 585204481 = 35604^2 + 24191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1852849297 - 2¹⁵ = 1852816529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1852849217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71263422 + ... + 71263447.

It is an arithmetic number, because the mean of its divisors is an integer number (498844045).

Almost surely, 2^1852849297 is an apocalyptic number.

It is an amenable number.

1852849297 is a deficient number, since it is larger than the sum of its proper divisors (142526883).

1852849297 is a wasteful number, since it uses less digits than its factorization.

1852849297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142526882.

The product of its digits is 2903040, while the sum is 55.

The square root of 1852849297 is about 43044.7359964026. The cubic root of 1852849297 is about 1228.2309371348.

It can be divided in two parts, 185 and 2849297, that added together give a palindrome (2849482).

The spelling of 1852849297 in words is "one billion, eight hundred fifty-two million, eight hundred forty-nine thousand, two hundred ninety-seven".