7065257 has 2 divisors, whose sum is σ = 7065258. Its totient is φ = 7065256.

The previous prime is 7065239. The next prime is 7065263. The reversal of 7065257 is 7525607.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6739216 + 326041 = 2596^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 7065257 - 2⁶ = 7065193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7065277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532628 + 3532629.

It is an arithmetic number, because the mean of its divisors is an integer number (3532629).

Almost surely, 2^7065257 is an apocalyptic number.

It is an amenable number.

7065257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7065257 is an equidigital number, since it uses as much as digits as its factorization.

7065257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 7065257 is about 2658.0551160576. The cubic root of 7065257 is about 191.8857193911.

The spelling of 7065257 in words is "seven million, sixty-five thousand, two hundred fifty-seven".