5647457 has 2 divisors, whose sum is σ = 5647458. Its totient is φ = 5647456.

The previous prime is 5647409. The next prime is 5647471. The reversal of 5647457 is 7547465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5550736 + 96721 = 2356^2 + 311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5647457 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5647457.

It is not a weakly prime, because it can be changed into another prime (5647357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823728 + 2823729.

It is an arithmetic number, because the mean of its divisors is an integer number (2823729).

Almost surely, 2^5647457 is an apocalyptic number.

It is an amenable number.

5647457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647457 is an equidigital number, since it uses as much as digits as its factorization.

5647457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The square root of 5647457 is about 2376.4378805262. The cubic root of 5647457 is about 178.0810240060.

The spelling of 5647457 in words is "five million, six hundred forty-seven thousand, four hundred fifty-seven".