2521772823 has 8 divisors (see below), whose sum is σ = 3363951600. Its totient is φ = 1680387968.

The previous prime is 2521772783. The next prime is 2521772839. The reversal of 2521772823 is 3282771252.

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 2521772823 - 2⁸ = 2521772567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521772623) by changing a digit.

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, 191028 + ... + 203801.

It is an arithmetic number, because the mean of its divisors is an integer number (420493950).

Almost surely, 2^2521772823 is an apocalyptic number.

2521772823 is a deficient number, since it is larger than the sum of its proper divisors (842178777).

2521772823 is a wasteful number, since it uses less digits than its factorization.

2521772823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396961.

The product of its digits is 94080, while the sum is 39.

The square root of 2521772823 is about 50217.2562273169. The cubic root of 2521772823 is about 1361.1374608482.

The spelling of 2521772823 in words is "two billion, five hundred twenty-one million, seven hundred seventy-two thousand, eight hundred twenty-three".