495457 has 2 divisors, whose sum is σ = 495458. Its totient is φ = 495456.

The previous prime is 495449. The next prime is 495461. The reversal of 495457 is 754594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474721 + 20736 = 689^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 495457 - 2³ = 495449 is a prime.

It is not a weakly prime, because it can be changed into another prime (495437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247728 + 247729.

It is an arithmetic number, because the mean of its divisors is an integer number (247729).

2⁴⁹⁵⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

495457 is a deficient number, since it is larger than the sum of its proper divisors (1).

495457 is an equidigital number, since it uses as much as digits as its factorization.

495457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 495457 is about 703.8870648051. The cubic root of 495457 is about 79.1289354210.

The spelling of 495457 in words is "four hundred ninety-five thousand, four hundred fifty-seven".