7045657 has 2 divisors, whose sum is σ = 7045658. Its totient is φ = 7045656.

The previous prime is 7045639. The next prime is 7045669. The reversal of 7045657 is 7565407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4260096 + 2785561 = 2064^2 + 1669^2 .

It is a cyclic number.

It is not a de Polignac number, because 7045657 - 2¹⁹ = 6521369 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7045607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3522828 + 3522829.

It is an arithmetic number, because the mean of its divisors is an integer number (3522829).

Almost surely, 2^7045657 is an apocalyptic number.

It is an amenable number.

7045657 is a deficient number, since it is larger than the sum of its proper divisors (1).

7045657 is an equidigital number, since it uses as much as digits as its factorization.

7045657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 7045657 is about 2654.3656492654. The cubic root of 7045657 is about 191.7081158834.

The spelling of 7045657 in words is "seven million, forty-five thousand, six hundred fifty-seven".