2521672873 has 8 divisors (see below), whose sum is σ = 2722046400. Its totient is φ = 2328860688.

The previous prime is 2521672859. The next prime is 2521672889. The reversal of 2521672873 is 3782761252.

2521672873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2521672873 - 2²⁹ = 1984801961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521672273) 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, 1889643 + ... + 1890976.

It is an arithmetic number, because the mean of its divisors is an integer number (340255800).

Almost surely, 2^2521672873 is an apocalyptic number.

2521672873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2521672873 is a deficient number, since it is larger than the sum of its proper divisors (200373527).

2521672873 is a wasteful number, since it uses less digits than its factorization.

2521672873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780671.

The product of its digits is 282240, while the sum is 43.

The square root of 2521672873 is about 50216.2610416188. The cubic root of 2521672873 is about 1361.1194778000.

It can be divided in two parts, 25216 and 72873, that added together give a palindrome (98089).

The spelling of 2521672873 in words is "two billion, five hundred twenty-one million, six hundred seventy-two thousand, eight hundred seventy-three".