630193 has 2 divisors, whose sum is σ = 630194. Its totient is φ = 630192.

The previous prime is 630181. The next prime is 630197. The reversal of 630193 is 391036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388129 + 242064 = 623^2 + 492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630193 is a prime.

It is not a weakly prime, because it can be changed into another prime (630197) 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, 315096 + 315097.

It is an arithmetic number, because the mean of its divisors is an integer number (315097).

2⁶³⁰¹⁹³ is an apocalyptic number.

It is an amenable number.

630193 is a deficient number, since it is larger than the sum of its proper divisors (1).

630193 is an equidigital number, since it uses as much as digits as its factorization.

630193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 630193 is about 793.8469625816. The cubic root of 630193 is about 85.7349419793.

The spelling of 630193 in words is "six hundred thirty thousand, one hundred ninety-three".