2585365 has 4 divisors (see below), whose sum is σ = 3102444. Its totient is φ = 2068288.

The previous prime is 2585357. The next prime is 2585381. The reversal of 2585365 is 5635852.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 848241 + 1737124 = 921^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2585365 - 2³ = 2585357 is a prime.

It is a super-2 number, since 2×2585365² = 13368224366450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2585365.

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, 258532 + ... + 258541.

It is an arithmetic number, because the mean of its divisors is an integer number (775611).

2^2585365 is an apocalyptic number.

It is an amenable number.

2585365 is a deficient number, since it is larger than the sum of its proper divisors (517079).

2585365 is an equidigital number, since it uses as much as digits as its factorization.

2585365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517078.

The product of its digits is 36000, while the sum is 34.

The square root of 2585365 is about 1607.9070246752. The cubic root of 2585365 is about 137.2483994005.

The spelling of 2585365 in words is "two million, five hundred eighty-five thousand, three hundred sixty-five".