5643425 has 12 divisors (see below), whose sum is σ = 7188156. Its totient is φ = 4392000.

The previous prime is 5643413. The next prime is 5643427. The reversal of 5643425 is 5243465.

It can be written as a sum of positive squares in 6 ways, for example, as 130321 + 5513104 = 361^2 + 2348^2 .

It is not a de Polignac number, because 5643425 - 2¹⁰ = 5642401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643427) 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, 2126 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (599013).

Almost surely, 2^5643425 is an apocalyptic number.

It is an amenable number.

5643425 is a deficient number, since it is larger than the sum of its proper divisors (1544731).

5643425 is a wasteful number, since it uses less digits than its factorization.

5643425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148 (or 6143 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 5643425 is about 2375.5894005488. The cubic root of 5643425 is about 178.0386336207.

The spelling of 5643425 in words is "five million, six hundred forty-three thousand, four hundred twenty-five".