2565017054 has 16 divisors (see below), whose sum is σ = 3885729408. Its totient is φ = 1269787992.

The previous prime is 2565017053. The next prime is 2565017083. The reversal of 2565017054 is 4507105652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565017053) by changing a digit.

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, 709319 + ... + 712925.

It is an arithmetic number, because the mean of its divisors is an integer number (242858088).

Almost surely, 2^2565017054 is an apocalyptic number.

2565017054 is a deficient number, since it is larger than the sum of its proper divisors (1320712354).

2565017054 is a wasteful number, since it uses less digits than its factorization.

2565017054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2565017054 is about 50645.9974134186. The cubic root of 2565017054 is about 1368.8738243615.

The spelling of 2565017054 in words is "two billion, five hundred sixty-five million, seventeen thousand, fifty-four".