162257 has 2 divisors, whose sum is σ = 162258. Its totient is φ = 162256.

The previous prime is 162251. The next prime is 162263. The reversal of 162257 is 752261.

It is a balanced prime because it is at equal distance from previous prime (162251) and next prime (162263).

It can be written as a sum of positive squares in only one way, i.e., 96721 + 65536 = 311^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 162257 - 2¹⁰ = 161233 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162257.

It is not a weakly prime, because it can be changed into another prime (162251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81128 + 81129.

It is an arithmetic number, because the mean of its divisors is an integer number (81129).

2¹⁶²²⁵⁷ is an apocalyptic number.

It is an amenable number.

162257 is a deficient number, since it is larger than the sum of its proper divisors (1).

162257 is an equidigital number, since it uses as much as digits as its factorization.

162257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 162257 is about 402.8113702467. The cubic root of 162257 is about 54.5424297144.

The spelling of 162257 in words is "one hundred sixty-two thousand, two hundred fifty-seven".