630350771 has 4 divisors (see below), whose sum is σ = 631971600. Its totient is φ = 628729944.

The previous prime is 630350767. The next prime is 630350779. The reversal of 630350771 is 177053036.

630350771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 630350771 - 2² = 630350767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630350779) 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, 809831 + ... + 810608.

It is an arithmetic number, because the mean of its divisors is an integer number (157992900).

Almost surely, 2^630350771 is an apocalyptic number.

630350771 is a deficient number, since it is larger than the sum of its proper divisors (1620829).

630350771 is a wasteful number, since it uses less digits than its factorization.

630350771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620828.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 630350771 is about 25106.7873492408. The cubic root of 630350771 is about 857.4209606222.

The spelling of 630350771 in words is "six hundred thirty million, three hundred fifty thousand, seven hundred seventy-one".