1853764325 has 18 divisors (see below), whose sum is σ = 2673962226. Its totient is φ = 1271151840.

The previous prime is 1853764307. The next prime is 1853764379. The reversal of 1853764325 is 5234673581.

It can be written as a sum of positive squares in 3 ways, for example, as 525234724 + 1328529601 = 22918^2 + 36449^2 .

It is not a de Polignac number, because 1853764325 - 2⁶ = 1853764261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 755414 + ... + 757863.

It is an arithmetic number, because the mean of its divisors is an integer number (148553457).

Almost surely, 2^1853764325 is an apocalyptic number.

It is an amenable number.

1853764325 is a deficient number, since it is larger than the sum of its proper divisors (820197901).

1853764325 is a wasteful number, since it uses less digits than its factorization.

1853764325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513301 (or 1513289 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 1853764325 is about 43055.3634870268. The cubic root of 1853764325 is about 1228.4330907843.

The spelling of 1853764325 in words is "one billion, eight hundred fifty-three million, seven hundred sixty-four thousand, three hundred twenty-five".