2529082821 has 8 divisors (see below), whose sum is σ = 3374526400. Its totient is φ = 1684847232.

The previous prime is 2529082811. The next prime is 2529082823. The reversal of 2529082821 is 1282809252.

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

It is not a de Polignac number, because 2529082821 - 2¹¹ = 2529080773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2529082821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529082823) 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, 297100 + ... + 305493.

It is an arithmetic number, because the mean of its divisors is an integer number (421815800).

Almost surely, 2^2529082821 is an apocalyptic number.

It is an amenable number.

2529082821 is a deficient number, since it is larger than the sum of its proper divisors (845443579).

2529082821 is a wasteful number, since it uses less digits than its factorization.

2529082821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603995.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2529082821 is about 50289.9872837526. The cubic root of 2529082821 is about 1362.4513927726.

The spelling of 2529082821 in words is "two billion, five hundred twenty-nine million, eighty-two thousand, eight hundred twenty-one".