6452643 has 4 divisors (see below), whose sum is σ = 8603528. Its totient is φ = 4301760.

The previous prime is 6452629. The next prime is 6452657. The reversal of 6452643 is 3462546.

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

It is an interprime number because it is at equal distance from previous prime (6452629) and next prime (6452657).

It is not a de Polignac number, because 6452643 - 2⁸ = 6452387 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6452643.

It is not an unprimeable number, because it can be changed into a prime (6412643) 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, 1075438 + ... + 1075443.

It is an arithmetic number, because the mean of its divisors is an integer number (2150882).

Almost surely, 2^6452643 is an apocalyptic number.

6452643 is a deficient number, since it is larger than the sum of its proper divisors (2150885).

6452643 is a wasteful number, since it uses less digits than its factorization.

6452643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150884.

The product of its digits is 17280, while the sum is 30.

The square root of 6452643 is about 2540.2053066632. The cubic root of 6452643 is about 186.1712205302.

The spelling of 6452643 in words is "six million, four hundred fifty-two thousand, six hundred forty-three".