4055897 has 2 divisors, whose sum is σ = 4055898. Its totient is φ = 4055896.

The previous prime is 4055893. The next prime is 4055899. The reversal of 4055897 is 7985504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3904576 + 151321 = 1976^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 4055897 - 2² = 4055893 is a prime.

Together with 4055899, it forms a pair of twin primes.

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 4055897.

It is not a weakly prime, because it can be changed into another prime (4055893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027948 + 2027949.

It is an arithmetic number, because the mean of its divisors is an integer number (2027949).

Almost surely, 2^4055897 is an apocalyptic number.

It is an amenable number.

4055897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055897 is an equidigital number, since it uses as much as digits as its factorization.

4055897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 4055897 is about 2013.9257682447. The cubic root of 4055897 is about 159.4761120267.

The spelling of 4055897 in words is "four million, fifty-five thousand, eight hundred ninety-seven".