2585412548 has 6 divisors (see below), whose sum is σ = 4524471966. Its totient is φ = 1292706272.

The previous prime is 2585412469. The next prime is 2585412587. The reversal of 2585412548 is 8452145852.

It can be written as a sum of positive squares in only one way, i.e., 2540361604 + 45050944 = 50402^2 + 6712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2585412499 and 2585412508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323176565 + ... + 323176572.

It is an arithmetic number, because the mean of its divisors is an integer number (754078661).

Almost surely, 2^2585412548 is an apocalyptic number.

It is an amenable number.

2585412548 is a deficient number, since it is larger than the sum of its proper divisors (1939059418).

2585412548 is a wasteful number, since it uses less digits than its factorization.

2585412548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646353141 (or 646353139 counting only the distinct ones).

The product of its digits is 512000, while the sum is 44.

The square root of 2585412548 is about 50846.9521997140. The cubic root of 2585412548 is about 1372.4924078354.

The spelling of 2585412548 in words is "two billion, five hundred eighty-five million, four hundred twelve thousand, five hundred forty-eight".