2528535844 has 6 divisors (see below), whose sum is σ = 4424937734. Its totient is φ = 1264267920.

The previous prime is 2528535833. The next prime is 2528535853. The reversal of 2528535844 is 4485358252.

It can be written as a sum of positive squares in only one way, i.e., 2382416100 + 146119744 = 48810^2 + 12088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2528535794 and 2528535803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316066977 + ... + 316066984.

Almost surely, 2^2528535844 is an apocalyptic number.

It is an amenable number.

2528535844 is a deficient number, since it is larger than the sum of its proper divisors (1896401890).

2528535844 is a wasteful number, since it uses less digits than its factorization.

2528535844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632133965 (or 632133963 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 46.

The square root of 2528535844 is about 50284.5487600316. The cubic root of 2528535844 is about 1362.3531643687.

The spelling of 2528535844 in words is "two billion, five hundred twenty-eight million, five hundred thirty-five thousand, eight hundred forty-four".