2522731973 has 4 divisors (see below), whose sum is σ = 2655507360. Its totient is φ = 2389956588.

The previous prime is 2522731969. The next prime is 2522731979. The reversal of 2522731973 is 3791372252.

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 2522731973 - 2² = 2522731969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522731973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522731979) 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, 66387665 + ... + 66387702.

It is an arithmetic number, because the mean of its divisors is an integer number (663876840).

Almost surely, 2^2522731973 is an apocalyptic number.

It is an amenable number.

2522731973 is a deficient number, since it is larger than the sum of its proper divisors (132775387).

2522731973 is a wasteful number, since it uses less digits than its factorization.

2522731973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132775386.

The product of its digits is 158760, while the sum is 41.

The square root of 2522731973 is about 50226.8053234525. The cubic root of 2522731973 is about 1361.3100073863.

The spelling of 2522731973 in words is "two billion, five hundred twenty-two million, seven hundred thirty-one thousand, nine hundred seventy-three".