7945057 has 2 divisors, whose sum is σ = 7945058. Its totient is φ = 7945056.

The previous prime is 7945039. The next prime is 7945073. The reversal of 7945057 is 7505497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 1164241 = 2604^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 7945057 - 2⁷ = 7944929 is a prime.

It is not a weakly prime, because it can be changed into another prime (7945037) 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, 3972528 + 3972529.

It is an arithmetic number, because the mean of its divisors is an integer number (3972529).

Almost surely, 2^7945057 is an apocalyptic number.

It is an amenable number.

7945057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7945057 is an equidigital number, since it uses as much as digits as its factorization.

7945057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 7945057 is about 2818.6977489614. The cubic root of 7945057 is about 199.5410894777.

It can be divided in two parts, 79450 and 57, that added together give a cube (79507 = 43³).

The spelling of 7945057 in words is "seven million, nine hundred forty-five thousand, fifty-seven".