1055897 has 2 divisors, whose sum is σ = 1055898. Its totient is φ = 1055896.

The previous prime is 1055893. The next prime is 1055911. The reversal of 1055897 is 7985501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042441 + 13456 = 1021^2 + 116^2 .

It is an emirp because it is prime and its reverse (7985501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055897 - 2² = 1055893 is a prime.

It is a super-2 number, since 2×1055897² = 2229836949218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1055893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527948 + 527949.

It is an arithmetic number, because the mean of its divisors is an integer number (527949).

2^1055897 is an apocalyptic number.

It is an amenable number.

1055897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055897 is an equidigital number, since it uses as much as digits as its factorization.

1055897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 1055897 is about 1027.5684892016. The cubic root of 1055897 is about 101.8295564316.

The spelling of 1055897 in words is "one million, fifty-five thousand, eight hundred ninety-seven".