2528722173 has 16 divisors (see below), whose sum is σ = 3483716096. Its totient is φ = 1629875520.

The previous prime is 2528722151. The next prime is 2528722181. The reversal of 2528722173 is 3712278252.

It is not a de Polignac number, because 2528722173 - 2¹² = 2528718077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528722873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89211 + ... + 114087.

It is an arithmetic number, because the mean of its divisors is an integer number (217732256).

Almost surely, 2^2528722173 is an apocalyptic number.

It is an amenable number.

2528722173 is a deficient number, since it is larger than the sum of its proper divisors (954993923).

2528722173 is a wasteful number, since it uses less digits than its factorization.

2528722173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26004.

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

The square root of 2528722173 is about 50286.4014719685. The cubic root of 2528722173 is about 1362.3866276960.

The spelling of 2528722173 in words is "two billion, five hundred twenty-eight million, seven hundred twenty-two thousand, one hundred seventy-three".