630134293 has 2 divisors, whose sum is σ = 630134294. Its totient is φ = 630134292.

The previous prime is 630134273. The next prime is 630134317. The reversal of 630134293 is 392431036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619362769 + 10771524 = 24887^2 + 3282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630134293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630134273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315067146 + 315067147.

It is an arithmetic number, because the mean of its divisors is an integer number (315067147).

Almost surely, 2^630134293 is an apocalyptic number.

It is an amenable number.

630134293 is a deficient number, since it is larger than the sum of its proper divisors (1).

630134293 is an equidigital number, since it uses as much as digits as its factorization.

630134293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 630134293 is about 25102.4758340686. The cubic root of 630134293 is about 857.3227962163.

The spelling of 630134293 in words is "six hundred thirty million, one hundred thirty-four thousand, two hundred ninety-three".