455993 has 2 divisors, whose sum is σ = 455994. Its totient is φ = 455992.

The previous prime is 455989. The next prime is 455999. The reversal of 455993 is 399554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 29584 = 653^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 455993 - 2² = 455989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227996 + 227997.

It is an arithmetic number, because the mean of its divisors is an integer number (227997).

2⁴⁵⁵⁹⁹³ is an apocalyptic number.

It is an amenable number.

455993 is a deficient number, since it is larger than the sum of its proper divisors (1).

455993 is an equidigital number, since it uses as much as digits as its factorization.

455993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 35.

The square root of 455993 is about 675.2725375728. The cubic root of 455993 is about 76.9696287711.

The spelling of 455993 in words is "four hundred fifty-five thousand, nine hundred ninety-three".