5657143 has 2 divisors, whose sum is σ = 5657144. Its totient is φ = 5657142.

The previous prime is 5657131. The next prime is 5657147. The reversal of 5657143 is 3417565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5657143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5657147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828571 + 2828572.

It is an arithmetic number, because the mean of its divisors is an integer number (2828572).

Almost surely, 2^5657143 is an apocalyptic number.

5657143 is a deficient number, since it is larger than the sum of its proper divisors (1).

5657143 is an equidigital number, since it uses as much as digits as its factorization.

5657143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 5657143 is about 2378.4749315475. The cubic root of 5657143 is about 178.1827752668.

The spelling of 5657143 in words is "five million, six hundred fifty-seven thousand, one hundred forty-three".