630378303 has 4 divisors (see below), whose sum is σ = 840504408. Its totient is φ = 420252200.

The previous prime is 630378299. The next prime is 630378317. The reversal of 630378303 is 303873036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630378303 - 2² = 630378299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630378103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105063048 + ... + 105063053.

It is an arithmetic number, because the mean of its divisors is an integer number (210126102).

Almost surely, 2^630378303 is an apocalyptic number.

630378303 is a deficient number, since it is larger than the sum of its proper divisors (210126105).

630378303 is a wasteful number, since it uses less digits than its factorization.

630378303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210126104.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 630378303 is about 25107.3356412026. The cubic root of 630378303 is about 857.4334437090.

The spelling of 630378303 in words is "six hundred thirty million, three hundred seventy-eight thousand, three hundred three".