2823261505 has 32 divisors (see below), whose sum is σ = 3667744800. Its totient is φ = 2081544192.

The previous prime is 2823261503. The next prime is 2823261541. The reversal of 2823261505 is 5051623282.

It can be written as a sum of positive squares in 16 ways, for example, as 194853681 + 2628407824 = 13959^2 + 51268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2823261505 - 2¹ = 2823261503 is a prime.

It is a super-2 number, since 2×2823261505² = 15941611051229730050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2823261503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279381 + ... + 289309.

It is an arithmetic number, because the mean of its divisors is an integer number (114617025).

Almost surely, 2^2823261505 is an apocalyptic number.

It is an amenable number.

2823261505 is a deficient number, since it is larger than the sum of its proper divisors (844483295).

2823261505 is a wasteful number, since it uses less digits than its factorization.

2823261505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2823261505 is about 53134.3721615302. The cubic root of 2823261505 is about 1413.3521011004.

Adding to 2823261505 its reverse (5051623282), we get a palindrome (7874884787).

The spelling of 2823261505 in words is "two billion, eight hundred twenty-three million, two hundred sixty-one thousand, five hundred five".