2861324245 has 8 divisors (see below), whose sum is σ = 3697711416. Its totient is φ = 2112977856.

The previous prime is 2861324161. The next prime is 2861324251. The reversal of 2861324245 is 5424231682.

It can be written as a sum of positive squares in 4 ways, for example, as 111999889 + 2749324356 = 10583^2 + 52434^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2861324245 - 2⁹ = 2861323733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22010122 + ... + 22010251.

It is an arithmetic number, because the mean of its divisors is an integer number (462213927).

Almost surely, 2^2861324245 is an apocalyptic number.

It is an amenable number.

2861324245 is a deficient number, since it is larger than the sum of its proper divisors (836387171).

2861324245 is a wasteful number, since it uses less digits than its factorization.

2861324245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44020391.

The product of its digits is 92160, while the sum is 37.

The square root of 2861324245 is about 53491.3473844135. The cubic root of 2861324245 is about 1419.6752952273.

The spelling of 2861324245 in words is "two billion, eight hundred sixty-one million, three hundred twenty-four thousand, two hundred forty-five".