2821265132 has 24 divisors (see below), whose sum is σ = 5646418176. Its totient is φ = 1208280528.

The previous prime is 2821265119. The next prime is 2821265137. The reversal of 2821265132 is 2315621282.

It is not an unprimeable number, because it can be changed into a prime (2821265137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7553 + ... + 75495.

It is an arithmetic number, because the mean of its divisors is an integer number (235267424).

Almost surely, 2^2821265132 is an apocalyptic number.

It is an amenable number.

2821265132 is an abundant number, since it is smaller than the sum of its proper divisors (2825153044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2821265132 is a wasteful number, since it uses less digits than its factorization.

2821265132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69437 (or 69435 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2821265132 is about 53115.5827606174. The cubic root of 2821265132 is about 1413.0188879836.

The spelling of 2821265132 in words is "two billion, eight hundred twenty-one million, two hundred sixty-five thousand, one hundred thirty-two".