5297643 has 42 divisors (see below), whose sum is σ = 8800836. Its totient is φ = 3184272.

The previous prime is 5297639. The next prime is 5297647. The reversal of 5297643 is 3467925.

5297643 is a `hidden beast` number, since 5 + 2 + 9 + 7 + 643 = 666.

It is an interprime number because it is at equal distance from previous prime (5297639) and next prime (5297647).

It is not a de Polignac number, because 5297643 - 2² = 5297639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5297598 and 5297607.

It is not an unprimeable number, because it can be changed into a prime (5297647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 123180 + ... + 123222.

Almost surely, 2^5297643 is an apocalyptic number.

5297643 is a deficient number, since it is larger than the sum of its proper divisors (3503193).

5297643 is an equidigital number, since it uses as much as digits as its factorization.

5297643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 59 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 5297643 is about 2301.6609220300. The cubic root of 5297643 is about 174.3254906270.

The spelling of 5297643 in words is "five million, two hundred ninety-seven thousand, six hundred forty-three".