630030253 has 8 divisors (see below), whose sum is σ = 677301120. Its totient is φ = 584170560.

The previous prime is 630030211. The next prime is 630030287. The reversal of 630030253 is 352030036.

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 630030253 - 2¹³ = 630022061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630030853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351868 + ... + 353653.

It is an arithmetic number, because the mean of its divisors is an integer number (84662640).

Almost surely, 2^630030253 is an apocalyptic number.

It is an amenable number.

630030253 is a deficient number, since it is larger than the sum of its proper divisors (47270867).

630030253 is a wasteful number, since it uses less digits than its factorization.

630030253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705587.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 630030253 is about 25100.4034429728. The cubic root of 630030253 is about 857.2756100984.

Adding to 630030253 its reverse (352030036), we get a palindrome (982060289).

The spelling of 630030253 in words is "six hundred thirty million, thirty thousand, two hundred fifty-three".