2645365 has 8 divisors (see below), whose sum is σ = 3186360. Its totient is φ = 2108352.

The previous prime is 2645359. The next prime is 2645371. The reversal of 2645365 is 5635462.

It is an interprime number because it is at equal distance from previous prime (2645359) and next prime (2645371).

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 2634129 = 106^2 + 1623^2 .

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 2645365 - 2⁹ = 2644853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (398295).

2^2645365 is an apocalyptic number.

It is an amenable number.

2645365 is a deficient number, since it is larger than the sum of its proper divisors (540995).

2645365 is a wasteful number, since it uses less digits than its factorization.

2645365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 21600, while the sum is 31.

The square root of 2645365 is about 1626.4578076298. The cubic root of 2645365 is about 138.3020235264.

The spelling of 2645365 in words is "two million, six hundred forty-five thousand, three hundred sixty-five".