630011 has 4 divisors (see below), whose sum is σ = 641952. Its totient is φ = 618072.

The previous prime is 629989. The next prime is 630017. The reversal of 630011 is 110036.

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 630011 - 2¹⁸ = 367867 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629974 and 630001.

It is not an unprimeable number, because it can be changed into a prime (630017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5891 + ... + 5996.

It is an arithmetic number, because the mean of its divisors is an integer number (160488).

2⁶³⁰⁰¹¹ is an apocalyptic number.

630011 is a deficient number, since it is larger than the sum of its proper divisors (11941).

630011 is a wasteful number, since it uses less digits than its factorization.

630011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 630011 is about 793.7323226378. The cubic root of 630011 is about 85.7266877557.

Adding to 630011 its reverse (110036), we get a palindrome (740047).

The spelling of 630011 in words is "six hundred thirty thousand, eleven".