2485328831 has 4 divisors (see below), whose sum is σ = 2492704032. Its totient is φ = 2477953632.

The previous prime is 2485328777. The next prime is 2485328851. The reversal of 2485328831 is 1388235842.

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

It is a cyclic number.

It is not a de Polignac number, because 2485328831 - 2¹⁸ = 2485066687 is a prime.

It is a super-2 number, since 2×2485328831² = 12353718796399653122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485328851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3687095 + ... + 3687768.

It is an arithmetic number, because the mean of its divisors is an integer number (623176008).

Almost surely, 2^2485328831 is an apocalyptic number.

2485328831 is a deficient number, since it is larger than the sum of its proper divisors (7375201).

2485328831 is an equidigital number, since it uses as much as digits as its factorization.

2485328831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375200.

The product of its digits is 368640, while the sum is 44.

The square root of 2485328831 is about 49853.0724329003. The cubic root of 2485328831 is about 1354.5486859047.

The spelling of 2485328831 in words is "two billion, four hundred eighty-five million, three hundred twenty-eight thousand, eight hundred thirty-one".