2565143610 has 16 divisors (see below), whose sum is σ = 6156344736. Its totient is φ = 684038288.

The previous prime is 2565143599. The next prime is 2565143653. The reversal of 2565143610 is 163415652.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42752364 + ... + 42752423.

It is an arithmetic number, because the mean of its divisors is an integer number (384771546).

Almost surely, 2^2565143610 is an apocalyptic number.

2565143610 is an abundant number, since it is smaller than the sum of its proper divisors (3591201126).

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

2565143610 is a wasteful number, since it uses less digits than its factorization.

2565143610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85504797.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2565143610 is about 50647.2468155970. The cubic root of 2565143610 is about 1368.8963370574.

The spelling of 2565143610 in words is "two billion, five hundred sixty-five million, one hundred forty-three thousand, six hundred ten".