2565030630 has 64 divisors (see below), whose sum is σ = 6232412160. Its totient is φ = 675563136.

The previous prime is 2565030623. The next prime is 2565030667. The reversal of 2565030630 is 360305652.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1479244 + ... + 1480976.

It is an arithmetic number, because the mean of its divisors is an integer number (97381440).

Almost surely, 2^2565030630 is an apocalyptic number.

2565030630 is an abundant number, since it is smaller than the sum of its proper divisors (3667381530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565030630 is a wasteful number, since it uses less digits than its factorization.

2565030630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 2565030630 is about 50646.1314416017. The cubic root of 2565030630 is about 1368.8762393939.

It can be divided in two parts, 25650 and 30630, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 2565030630 in words is "two billion, five hundred sixty-five million, thirty thousand, six hundred thirty".