630876193 has 2 divisors, whose sum is σ = 630876194. Its totient is φ = 630876192.

The previous prime is 630876187. The next prime is 630876217. The reversal of 630876193 is 391678036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584527329 + 46348864 = 24177^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 630876193 - 2¹⁷ = 630745121 is a prime.

It is not a weakly prime, because it can be changed into another prime (630876163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315438096 + 315438097.

It is an arithmetic number, because the mean of its divisors is an integer number (315438097).

Almost surely, 2^630876193 is an apocalyptic number.

It is an amenable number.

630876193 is a deficient number, since it is larger than the sum of its proper divisors (1).

630876193 is an equidigital number, since it uses as much as digits as its factorization.

630876193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 630876193 is about 25117.2489138440. The cubic root of 630876193 is about 857.6591257532.

The spelling of 630876193 in words is "six hundred thirty million, eight hundred seventy-six thousand, one hundred ninety-three".