2583652138 has 8 divisors (see below), whose sum is σ = 3875713380. Its totient is φ = 1291747680.

The previous prime is 2583652121. The next prime is 2583652139. The reversal of 2583652138 is 8312563852.

It can be written as a sum of positive squares in 2 ways, for example, as 2318711409 + 264940729 = 48153^2 + 16277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2583652094 and 2583652103.

It is not an unprimeable number, because it can be changed into a prime (2583652139) 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, 19708 + ... + 74536.

Almost surely, 2^2583652138 is an apocalyptic number.

2583652138 is a deficient number, since it is larger than the sum of its proper divisors (1292061242).

2583652138 is a wasteful number, since it uses less digits than its factorization.

2583652138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78392.

The product of its digits is 345600, while the sum is 43.

The square root of 2583652138 is about 50829.6383815585. The cubic root of 2583652138 is about 1372.1808266199.

The spelling of 2583652138 in words is "two billion, five hundred eighty-three million, six hundred fifty-two thousand, one hundred thirty-eight".