1684882125 has 24 divisors (see below), whose sum is σ = 3037282872. Its totient is φ = 898603200.

The previous prime is 1684882123. The next prime is 1684882141. The reversal of 1684882125 is 5212884861.

1684882125 is a `hidden beast` number, since 168 + 488 + 2 + 1 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 45118089 + 1639764036 = 6717^2 + 40494^2 .

It is not a de Polignac number, because 1684882125 - 2¹ = 1684882123 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684882123) 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, 747712 + ... + 749961.

It is an arithmetic number, because the mean of its divisors is an integer number (126553453).

Almost surely, 2^1684882125 is an apocalyptic number.

1684882125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1684882125 is a deficient number, since it is larger than the sum of its proper divisors (1352400747).

1684882125 is a wasteful number, since it uses less digits than its factorization.

1684882125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497694 (or 1497681 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 1684882125 is about 41047.3156856816. The cubic root of 1684882125 is about 1189.9348233022.

The spelling of 1684882125 in words is "one billion, six hundred eighty-four million, eight hundred eighty-two thousand, one hundred twenty-five".