630665235 has 24 divisors (see below), whose sum is σ = 1157457600. Its totient is φ = 316568832.

The previous prime is 630665207. The next prime is 630665237. The reversal of 630665235 is 532566036.

It is not a de Polignac number, because 630665235 - 2¹⁰ = 630664211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630665235.

It is not an unprimeable number, because it can be changed into a prime (630665237) 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 23 ways as a sum of consecutive naturals, for example, 411435 + ... + 412964.

It is an arithmetic number, because the mean of its divisors is an integer number (48227400).

Almost surely, 2^630665235 is an apocalyptic number.

630665235 is a deficient number, since it is larger than the sum of its proper divisors (526792365).

630665235 is a wasteful number, since it uses less digits than its factorization.

630665235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824427 (or 824424 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 630665235 is about 25113.0490980287. The cubic root of 630665235 is about 857.5635178634.

The spelling of 630665235 in words is "six hundred thirty million, six hundred sixty-five thousand, two hundred thirty-five".