635006047 has 4 divisors (see below), whose sum is σ = 683852680. Its totient is φ = 586159416.

The previous prime is 635006039. The next prime is 635006051. The reversal of 635006047 is 740600536.

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 635006047 - 2³ = 635006039 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 (635006027) 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, 24423297 + ... + 24423322.

It is an arithmetic number, because the mean of its divisors is an integer number (170963170).

Almost surely, 2^635006047 is an apocalyptic number.

635006047 is a deficient number, since it is larger than the sum of its proper divisors (48846633).

635006047 is a wasteful number, since it uses less digits than its factorization.

635006047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48846632.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 635006047 is about 25199.3263203602. The cubic root of 635006047 is about 859.5265317929.

The spelling of 635006047 in words is "six hundred thirty-five million, six thousand, forty-seven".