169457 has 2 divisors, whose sum is σ = 169458. Its totient is φ = 169456.

The previous prime is 169427. The next prime is 169471. The reversal of 169457 is 754961.

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., 163216 + 6241 = 404^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 169457 - 2¹⁰ = 168433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (169427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84728 + 84729.

It is an arithmetic number, because the mean of its divisors is an integer number (84729).

2¹⁶⁹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

169457 is a deficient number, since it is larger than the sum of its proper divisors (1).

169457 is an equidigital number, since it uses as much as digits as its factorization.

169457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 169457 is about 411.6515516793. The cubic root of 169457 is about 55.3375385911.

It can be divided in two parts, 169 and 457, that added together give a palindrome (626).

The spelling of 169457 in words is "one hundred sixty-nine thousand, four hundred fifty-seven".