1836980525 has 6 divisors (see below), whose sum is σ = 2277855882. Its totient is φ = 1469584400.

The previous prime is 1836980503. The next prime is 1836980527. The reversal of 1836980525 is 5250896381.

It can be written as a sum of positive squares in 3 ways, for example, as 428779849 + 1408200676 = 20707^2 + 37526^2 .

It is not a de Polignac number, because 1836980525 - 2⁸ = 1836980269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1836980525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836980527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36739586 + ... + 36739635.

It is an arithmetic number, because the mean of its divisors is an integer number (379642647).

Almost surely, 2^1836980525 is an apocalyptic number.

It is an amenable number.

1836980525 is a deficient number, since it is larger than the sum of its proper divisors (440875357).

1836980525 is an equidigital number, since it uses as much as digits as its factorization.

1836980525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73479231 (or 73479226 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 1836980525 is about 42860.0107909459. The cubic root of 1836980525 is about 1224.7144746178.

The spelling of 1836980525 in words is "one billion, eight hundred thirty-six million, nine hundred eighty thousand, five hundred twenty-five".