2645369 has 4 divisors (see below), whose sum is σ = 2663040. Its totient is φ = 2627700.

The previous prime is 2645359. The next prime is 2645371. The reversal of 2645369 is 9635462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9635462 = 2 ⋅4817731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645369 is a prime.

It is a super-2 number, since 2×2645369² = 13995954292322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2645329) 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, 8609 + ... + 8910.

It is an arithmetic number, because the mean of its divisors is an integer number (665760).

2^2645369 is an apocalyptic number.

It is an amenable number.

2645369 is a deficient number, since it is larger than the sum of its proper divisors (17671).

2645369 is a wasteful number, since it uses less digits than its factorization.

2645369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17670.

The product of its digits is 38880, while the sum is 35.

The square root of 2645369 is about 1626.4590372954. The cubic root of 2645369 is about 138.3020932342.

The spelling of 2645369 in words is "two million, six hundred forty-five thousand, three hundred sixty-nine".