2565079339 has 8 divisors (see below), whose sum is σ = 2615685120. Its totient is φ = 2514711336.

The previous prime is 2565079337. The next prime is 2565079381. The reversal of 2565079339 is 9339705652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2565079339 - 2¹ = 2565079337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2565079292 and 2565079301.

It is not an unprimeable number, because it can be changed into a prime (2565079337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37579 + ... + 80884.

It is an arithmetic number, because the mean of its divisors is an integer number (326960640).

Almost surely, 2^2565079339 is an apocalyptic number.

2565079339 is a deficient number, since it is larger than the sum of its proper divisors (50605781).

2565079339 is a wasteful number, since it uses less digits than its factorization.

2565079339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118889.

The product of its (nonzero) digits is 1530900, while the sum is 49.

The square root of 2565079339 is about 50646.6123151391. The cubic root of 2565079339 is about 1368.8849041599.

The spelling of 2565079339 in words is "two billion, five hundred sixty-five million, seventy-nine thousand, three hundred thirty-nine".