630555135 has 16 divisors (see below), whose sum is σ = 1153015296. Its totient is φ = 288253728.

The previous prime is 630555131. The next prime is 630555137. The reversal of 630555135 is 531555036.

It is not a de Polignac number, because 630555135 - 2² = 630555131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630555096 and 630555105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630555131) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 3002539 + ... + 3002748.

It is an arithmetic number, because the mean of its divisors is an integer number (72063456).

Almost surely, 2^630555135 is an apocalyptic number.

630555135 is a deficient number, since it is larger than the sum of its proper divisors (522460161).

630555135 is a wasteful number, since it uses less digits than its factorization.

630555135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005302.

The product of its (nonzero) digits is 33750, while the sum is 33.

The square root of 630555135 is about 25110.8569148884. The cubic root of 630555135 is about 857.5136111760.

Subtracting from 630555135 its reverse (531555036), we obtain a palindrome (99000099).

The spelling of 630555135 in words is "six hundred thirty million, five hundred fifty-five thousand, one hundred thirty-five".