2575042244 has 6 divisors (see below), whose sum is σ = 4506323934. Its totient is φ = 1287521120.

The previous prime is 2575042243. The next prime is 2575042291. The reversal of 2575042244 is 4422405752.

It can be written as a sum of positive squares in only one way, i.e., 2536129600 + 38912644 = 50360^2 + 6238^2 .

It is not an unprimeable number, because it can be changed into a prime (2575042243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321880277 + ... + 321880284.

It is an arithmetic number, because the mean of its divisors is an integer number (751053989).

Almost surely, 2^2575042244 is an apocalyptic number.

It is an amenable number.

2575042244 is a deficient number, since it is larger than the sum of its proper divisors (1931281690).

2575042244 is a wasteful number, since it uses less digits than its factorization.

2575042244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643760565 (or 643760563 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 2575042244 is about 50744.8740662542. The cubic root of 2575042244 is about 1370.6548885620.

Adding to 2575042244 its reverse (4422405752), we get a palindrome (6997447996).

The spelling of 2575042244 in words is "two billion, five hundred seventy-five million, forty-two thousand, two hundred forty-four".