3911057 has 2 divisors, whose sum is σ = 3911058. Its totient is φ = 3911056.

The previous prime is 3911021. The next prime is 3911059. The reversal of 3911057 is 7501193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 65536 = 1961^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3911057 - 2⁶ = 3910993 is a prime.

Together with 3911059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3911059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1955528 + 1955529.

It is an arithmetic number, because the mean of its divisors is an integer number (1955529).

Almost surely, 2^3911057 is an apocalyptic number.

It is an amenable number.

3911057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3911057 is an equidigital number, since it uses as much as digits as its factorization.

3911057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 3911057 is about 1977.6392492060. The cubic root of 3911057 is about 157.5547067872.

The spelling of 3911057 in words is "three million, nine hundred eleven thousand, fifty-seven".