2645255 has 4 divisors (see below), whose sum is σ = 3174312. Its totient is φ = 2116200.

The previous prime is 2645239. The next prime is 2645257. The reversal of 2645255 is 5525462.

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

It is not a de Polignac number, because 2645255 - 2⁴ = 2645239 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 6⁷ + 4⁵ + 5⁷ + 2²¹ + 5⁷ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264521 + ... + 264530.

It is an arithmetic number, because the mean of its divisors is an integer number (793578).

2^2645255 is an apocalyptic number.

2645255 is a deficient number, since it is larger than the sum of its proper divisors (529057).

2645255 is an equidigital number, since it uses as much as digits as its factorization.

2645255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529056.

The product of its digits is 12000, while the sum is 29.

The square root of 2645255 is about 1626.4239914610. The cubic root of 2645255 is about 138.3001065341.

The spelling of 2645255 in words is "two million, six hundred forty-five thousand, two hundred fifty-five".