2565132068 has 6 divisors (see below), whose sum is σ = 4488981126. Its totient is φ = 1282566032.

The previous prime is 2565132067. The next prime is 2565132103. The reversal of 2565132068 is 8602315652.

It can be written as a sum of positive squares in only one way, i.e., 2563599424 + 1532644 = 50632^2 + 1238^2 .

It is not an unprimeable number, because it can be changed into a prime (2565132067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320641505 + ... + 320641512.

It is an arithmetic number, because the mean of its divisors is an integer number (748163521).

Almost surely, 2^2565132068 is an apocalyptic number.

It is an amenable number.

2565132068 is a deficient number, since it is larger than the sum of its proper divisors (1923849058).

2565132068 is a wasteful number, since it uses less digits than its factorization.

2565132068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641283021 (or 641283019 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 2565132068 is about 50647.1328704795. The cubic root of 2565132068 is about 1368.8942839137.

The spelling of 2565132068 in words is "two billion, five hundred sixty-five million, one hundred thirty-two thousand, sixty-eight".