630542635 has 8 divisors (see below), whose sum is σ = 781059456. Its totient is φ = 488161920.

The previous prime is 630542623. The next prime is 630542639. The reversal of 630542635 is 536245036.

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

It is not a de Polignac number, because 630542635 - 2⁵ = 630542603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630542635.

It is not an unprimeable number, because it can be changed into a prime (630542639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033854 + ... + 2034163.

It is an arithmetic number, because the mean of its divisors is an integer number (97632432).

Almost surely, 2^630542635 is an apocalyptic number.

630542635 is a deficient number, since it is larger than the sum of its proper divisors (150516821).

630542635 is a wasteful number, since it uses less digits than its factorization.

630542635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068053.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 630542635 is about 25110.6080173300. The cubic root of 630542635 is about 857.5079447453.

The spelling of 630542635 in words is "six hundred thirty million, five hundred forty-two thousand, six hundred thirty-five".