2565751142 has 8 divisors (see below), whose sum is σ = 3851756832. Its totient is φ = 1281832200.

The previous prime is 2565751081. The next prime is 2565751151. The reversal of 2565751142 is 2411575652.

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 = 2565751096 and 2565751105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518609 + ... + 523532.

It is an arithmetic number, because the mean of its divisors is an integer number (481469604).

Almost surely, 2^2565751142 is an apocalyptic number.

2565751142 is a deficient number, since it is larger than the sum of its proper divisors (1286005690).

2565751142 is a wasteful number, since it uses less digits than its factorization.

2565751142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043374.

The product of its digits is 84000, while the sum is 38.

The square root of 2565751142 is about 50653.2441409235. The cubic root of 2565751142 is about 1369.0043989320.

The spelling of 2565751142 in words is "two billion, five hundred sixty-five million, seven hundred fifty-one thousand, one hundred forty-two".