2520585668 has 6 divisors (see below), whose sum is σ = 4411024926. Its totient is φ = 1260292832.

The previous prime is 2520585611. The next prime is 2520585673. The reversal of 2520585668 is 8665850252.

It can be written as a sum of positive squares in only one way, i.e., 1696780864 + 823804804 = 41192^2 + 28702^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315073205 + ... + 315073212.

It is an arithmetic number, because the mean of its divisors is an integer number (735170821).

Almost surely, 2^2520585668 is an apocalyptic number.

It is an amenable number.

2520585668 is a deficient number, since it is larger than the sum of its proper divisors (1890439258).

2520585668 is a wasteful number, since it uses less digits than its factorization.

2520585668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630146421 (or 630146419 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The square root of 2520585668 is about 50205.4346460620. The cubic root of 2520585668 is about 1360.9238366920.

The spelling of 2520585668 in words is "two billion, five hundred twenty million, five hundred eighty-five thousand, six hundred sixty-eight".