630524243 has 8 divisors (see below), whose sum is σ = 641261040. Its totient is φ = 619800480.

The previous prime is 630524239. The next prime is 630524311. The reversal of 630524243 is 342425036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630524243 - 2² = 630524239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630524743) 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 7 ways as a sum of consecutive naturals, for example, 177521 + ... + 181037.

It is an arithmetic number, because the mean of its divisors is an integer number (80157630).

Almost surely, 2^630524243 is an apocalyptic number.

630524243 is a deficient number, since it is larger than the sum of its proper divisors (10736797).

630524243 is a wasteful number, since it uses less digits than its factorization.

630524243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 630524243 is about 25110.2417949330. The cubic root of 630524243 is about 857.4996072496.

Adding to 630524243 its reverse (342425036), we get a palindrome (972949279).

The spelling of 630524243 in words is "six hundred thirty million, five hundred twenty-four thousand, two hundred forty-three".