2529805827 has 4 divisors (see below), whose sum is σ = 3373074440. Its totient is φ = 1686537216.

The previous prime is 2529805801. The next prime is 2529805829. The reversal of 2529805827 is 7285089252.

It is a happy number.

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

It is not a de Polignac number, because 2529805827 - 2¹⁴ = 2529789443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2529805829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421634302 + ... + 421634307.

It is an arithmetic number, because the mean of its divisors is an integer number (843268610).

Almost surely, 2^2529805827 is an apocalyptic number.

2529805827 is a deficient number, since it is larger than the sum of its proper divisors (843268613).

2529805827 is an equidigital number, since it uses as much as digits as its factorization.

2529805827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843268612.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 2529805827 is about 50297.1751393654. The cubic root of 2529805827 is about 1362.5812114655.

It can be divided in two parts, 2529 and 805827, that added together give a triangular number (808356 = T₁₂₇₁).

The spelling of 2529805827 in words is "two billion, five hundred twenty-nine million, eight hundred five thousand, eight hundred twenty-seven".