2535978573 has 24 divisors (see below), whose sum is σ = 3828497400. Its totient is φ = 1615509504.

The previous prime is 2535978569. The next prime is 2535978593. The reversal of 2535978573 is 3758795352.

It can be written as a sum of positive squares in 4 ways, for example, as 3674889 + 2532303684 = 1917^2 + 50322^2 .

It is not a de Polignac number, because 2535978573 - 2² = 2535978569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2535978593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24768 + ... + 75401.

It is an arithmetic number, because the mean of its divisors is an integer number (159520725).

Almost surely, 2^2535978573 is an apocalyptic number.

It is an amenable number.

2535978573 is a deficient number, since it is larger than the sum of its proper divisors (1292518827).

2535978573 is a wasteful number, since it uses less digits than its factorization.

2535978573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100301 (or 100298 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The square root of 2535978573 is about 50358.5005038871. The cubic root of 2535978573 is about 1363.6885475872.

The spelling of 2535978573 in words is "two billion, five hundred thirty-five million, nine hundred seventy-eight thousand, five hundred seventy-three".