2645312 has 14 divisors (see below), whose sum is σ = 5249418. Its totient is φ = 1322624.

The previous prime is 2645311. The next prime is 2645329. The reversal of 2645312 is 2135462.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 33856 = 1616^2 + 184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20603 + ... + 20730.

2^2645312 is an apocalyptic number.

It is an amenable number.

2645312 is a deficient number, since it is larger than the sum of its proper divisors (2604106).

2645312 is an equidigital number, since it uses as much as digits as its factorization.

2645312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41345 (or 41335 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2645312 is about 1626.4415144726. The cubic root of 2645312 is about 138.3010998913.

The spelling of 2645312 in words is "two million, six hundred forty-five thousand, three hundred twelve".