2643475 has 12 divisors (see below), whose sum is σ = 3359160. Its totient is φ = 2062400.

The previous prime is 2643461. The next prime is 2643479. The reversal of 2643475 is 5743462.

It is not a de Polignac number, because 2643475 - 2¹⁷ = 2512403 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4² + 3¹³ + 4¹⁰ + 7 + 5 .

It is not an unprimeable number, because it can be changed into a prime (2643479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (279930).

2^2643475 is an apocalyptic number.

2643475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2643475 is a deficient number, since it is larger than the sum of its proper divisors (715685).

2643475 is a wasteful number, since it uses less digits than its factorization.

2643475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2625 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 2643475 is about 1625.8766865910. The cubic root of 2643475 is about 138.2690787217.

The spelling of 2643475 in words is "two million, six hundred forty-three thousand, four hundred seventy-five".