5128897 has 2 divisors, whose sum is σ = 5128898. Its totient is φ = 5128896.

The previous prime is 5128891. The next prime is 5128901. The reversal of 5128897 is 7988215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 2027776 = 1761^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 5128897 - 2³ = 5128889 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5128891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564448 + 2564449.

It is an arithmetic number, because the mean of its divisors is an integer number (2564449).

Almost surely, 2^5128897 is an apocalyptic number.

It is an amenable number.

5128897 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128897 is an equidigital number, since it uses as much as digits as its factorization.

5128897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 40.

The square root of 5128897 is about 2264.7068242932. The cubic root of 5128897 is about 172.4545507933.

It can be divided in two parts, 512 and 8897, that added together give a square (9409 = 97²).

The spelling of 5128897 in words is "five million, one hundred twenty-eight thousand, eight hundred ninety-seven".