658663 has 2 divisors, whose sum is σ = 658664. Its totient is φ = 658662.

The previous prime is 658649. The next prime is 658681. The reversal of 658663 is 366856.

658663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 658663 - 2¹⁷ = 527591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (658613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329331 + 329332.

It is an arithmetic number, because the mean of its divisors is an integer number (329332).

2⁶⁵⁸⁶⁶³ is an apocalyptic number.

658663 is a deficient number, since it is larger than the sum of its proper divisors (1).

658663 is an equidigital number, since it uses as much as digits as its factorization.

658663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 658663 is about 811.5805566917. The cubic root of 658663 is about 87.0070457147.

The spelling of 658663 in words is "six hundred fifty-eight thousand, six hundred sixty-three".