2521634122273 has 4 divisors (see below), whose sum is σ = 2881867568320. Its totient is φ = 2161400676228.

The previous prime is 2521634122229. The next prime is 2521634122283. The reversal of 2521634122273 is 3722214361252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2521634122273 - 2⁹ = 2521634121761 is a prime.

It is a super-2 number, since 2×2521634122273² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521634122283) 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, 180116723013 + ... + 180116723026.

It is an arithmetic number, because the mean of its divisors is an integer number (720466892080).

Almost surely, 2^{2521634122273} is an apocalyptic number.

It is an amenable number.

2521634122273 is a deficient number, since it is larger than the sum of its proper divisors (360233446047).

2521634122273 is an equidigital number, since it uses as much as digits as its factorization.

2521634122273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360233446046.

The product of its digits is 241920, while the sum is 40.

The spelling of 2521634122273 in words is "two trillion, five hundred twenty-one billion, six hundred thirty-four million, one hundred twenty-two thousand, two hundred seventy-three".