5687657 has 2 divisors, whose sum is σ = 5687658. Its totient is φ = 5687656.

The previous prime is 5687651. The next prime is 5687687. The reversal of 5687657 is 7567865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 18496 = 2381^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 5687657 - 2¹⁰ = 5686633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5687651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843828 + 2843829.

It is an arithmetic number, because the mean of its divisors is an integer number (2843829).

Almost surely, 2^5687657 is an apocalyptic number.

It is an amenable number.

5687657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5687657 is an equidigital number, since it uses as much as digits as its factorization.

5687657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The square root of 5687657 is about 2384.8809194591. The cubic root of 5687657 is about 178.5025670030.

The spelling of 5687657 in words is "five million, six hundred eighty-seven thousand, six hundred fifty-seven".