630195301 has 2 divisors, whose sum is σ = 630195302. Its totient is φ = 630195300.

The previous prime is 630195299. The next prime is 630195337. The reversal of 630195301 is 103591036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 571688100 + 58507201 = 23910^2 + 7649^2 .

It is a cyclic number.

It is not a de Polignac number, because 630195301 - 2¹ = 630195299 is a prime.

It is a super-2 number, since 2×630195301² = 794292234804961202, which contains 22 as substring.

Together with 630195299, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 630195301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630195341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315097650 + 315097651.

It is an arithmetic number, because the mean of its divisors is an integer number (315097651).

Almost surely, 2^630195301 is an apocalyptic number.

It is an amenable number.

630195301 is a deficient number, since it is larger than the sum of its proper divisors (1).

630195301 is an equidigital number, since it uses as much as digits as its factorization.

630195301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 630195301 is about 25103.6909835984. The cubic root of 630195301 is about 857.3504632612.

The spelling of 630195301 in words is "six hundred thirty million, one hundred ninety-five thousand, three hundred one".