68633 has 2 divisors, whose sum is σ = 68634. Its totient is φ = 68632.

The previous prime is 68611. The next prime is 68639. The reversal of 68633 is 33686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64009 + 4624 = 253^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 68633 - 2¹⁴ = 52249 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (68639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34316 + 34317.

It is an arithmetic number, because the mean of its divisors is an integer number (34317).

2⁶⁸⁶³³ is an apocalyptic number.

It is an amenable number.

68633 is a deficient number, since it is larger than the sum of its proper divisors (1).

68633 is an equidigital number, since it uses as much as digits as its factorization.

68633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 68633 is about 261.9790067925. The cubic root of 68633 is about 40.9428114042.

The spelling of 68633 in words is "sixty-eight thousand, six hundred thirty-three".