630509302 has 4 divisors (see below), whose sum is σ = 945763956. Its totient is φ = 315254650.

The previous prime is 630509293. The next prime is 630509317. The reversal of 630509302 is 203905036.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157627324 + ... + 157627327.

It is an arithmetic number, because the mean of its divisors is an integer number (236440989).

Almost surely, 2^630509302 is an apocalyptic number.

630509302 is a deficient number, since it is larger than the sum of its proper divisors (315254654).

630509302 is a wasteful number, since it uses less digits than its factorization.

630509302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315254653.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 630509302 is about 25109.9442850835. The cubic root of 630509302 is about 857.4928340484.

The spelling of 630509302 in words is "six hundred thirty million, five hundred nine thousand, three hundred two".