2565070761 has 16 divisors (see below), whose sum is σ = 3775968000. Its totient is φ = 1535856720.

The previous prime is 2565070757. The next prime is 2565070771. The reversal of 2565070761 is 1670705652.

It is not a de Polignac number, because 2565070761 - 2² = 2565070757 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2565070771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465511 + ... + 470988.

It is an arithmetic number, because the mean of its divisors is an integer number (235998000).

Almost surely, 2^2565070761 is an apocalyptic number.

It is an amenable number.

2565070761 is a deficient number, since it is larger than the sum of its proper divisors (1210897239).

2565070761 is a wasteful number, since it uses less digits than its factorization.

2565070761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936596.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 2565070761 is about 50646.5276302334. The cubic root of 2565070761 is about 1368.8833782412.

The spelling of 2565070761 in words is "two billion, five hundred sixty-five million, seventy thousand, seven hundred sixty-one".