1894771325 has 24 divisors (see below), whose sum is σ = 2412840360. Its totient is φ = 1475481600.

The previous prime is 1894771223. The next prime is 1894771327. The reversal of 1894771325 is 5231774981.

It can be written as a sum of positive squares in 12 ways, for example, as 1265865241 + 628906084 = 35579^2 + 25078^2 .

It is not a de Polignac number, because 1894771325 - 2⁸ = 1894771069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1894771325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894771327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141521 + ... + 154329.

It is an arithmetic number, because the mean of its divisors is an integer number (100535015).

Almost surely, 2^1894771325 is an apocalyptic number.

It is an amenable number.

1894771325 is a deficient number, since it is larger than the sum of its proper divisors (518069035).

1894771325 is a wasteful number, since it uses less digits than its factorization.

1894771325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977 (or 12972 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 1894771325 is about 43528.9710997170. The cubic root of 1894771325 is about 1237.4251384840.

The spelling of 1894771325 in words is "one billion, eight hundred ninety-four million, seven hundred seventy-one thousand, three hundred twenty-five".