630142087 has 4 divisors (see below), whose sum is σ = 663307480. Its totient is φ = 596976696.

The previous prime is 630142039. The next prime is 630142103. The reversal of 630142087 is 780241036.

630142087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630142087 - 2¹⁹ = 629617799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630142787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16582668 + ... + 16582705.

It is an arithmetic number, because the mean of its divisors is an integer number (165826870).

Almost surely, 2^630142087 is an apocalyptic number.

630142087 is a deficient number, since it is larger than the sum of its proper divisors (33165393).

630142087 is a wasteful number, since it uses less digits than its factorization.

630142087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33165392.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 630142087 is about 25102.6310772397. The cubic root of 630142087 is about 857.3263308842.

The spelling of 630142087 in words is "six hundred thirty million, one hundred forty-two thousand, eighty-seven".