630852319 has 2 divisors, whose sum is σ = 630852320. Its totient is φ = 630852318.

The previous prime is 630852317. The next prime is 630852347. The reversal of 630852319 is 913258036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630852319 - 2¹ = 630852317 is a prime.

It is a super-2 number, since 2×630852319² = 795949296775355522, which contains 22 as substring.

Together with 630852317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630852317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315426159 + 315426160.

It is an arithmetic number, because the mean of its divisors is an integer number (315426160).

Almost surely, 2^630852319 is an apocalyptic number.

630852319 is a deficient number, since it is larger than the sum of its proper divisors (1).

630852319 is an equidigital number, since it uses as much as digits as its factorization.

630852319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 630852319 is about 25116.7736582548. The cubic root of 630852319 is about 857.6483069310.

The spelling of 630852319 in words is "six hundred thirty million, eight hundred fifty-two thousand, three hundred nineteen".