4445257 has 2 divisors, whose sum is σ = 4445258. Its totient is φ = 4445256.

The previous prime is 4445227. The next prime is 4445267. The reversal of 4445257 is 7525444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 839056 = 1899^2 + 916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4445257 is a prime.

It is not a weakly prime, because it can be changed into another prime (4445227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222628 + 2222629.

It is an arithmetic number, because the mean of its divisors is an integer number (2222629).

Almost surely, 2^4445257 is an apocalyptic number.

It is an amenable number.

4445257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445257 is an equidigital number, since it uses as much as digits as its factorization.

4445257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 31.

The square root of 4445257 is about 2108.3778124425. The cubic root of 4445257 is about 164.4241573498.

The spelling of 4445257 in words is "four million, four hundred forty-five thousand, two hundred fifty-seven".