605457 has 6 divisors (see below), whose sum is σ = 874562. Its totient is φ = 403632.

The previous prime is 605443. The next prime is 605471. The reversal of 605457 is 754506.

605457 is a `hidden beast` number, since 605 + 4 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (605443) and next prime (605471).

It can be written as a sum of positive squares in only one way, i.e., 408321 + 197136 = 639^2 + 444^2 .

It is not a de Polignac number, because 605457 - 2⁶ = 605393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 605457.

It is not an unprimeable number, because it can be changed into a prime (605477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33628 + ... + 33645.

2⁶⁰⁵⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

605457 is a deficient number, since it is larger than the sum of its proper divisors (269105).

605457 is a wasteful number, since it uses less digits than its factorization.

605457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67279 (or 67276 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 605457 is about 778.1111745760. Note that the first 4 decimals coincide. The cubic root of 605457 is about 84.5981958940.

The spelling of 605457 in words is "six hundred five thousand, four hundred fifty-seven".