650020047 has 4 divisors (see below), whose sum is σ = 866693400. Its totient is φ = 433346696.

The previous prime is 650020031. The next prime is 650020067. The reversal of 650020047 is 740020056.

It is a happy number.

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 650020047 - 2⁴ = 650020031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650019999 and 650020026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650020067) 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 3 ways as a sum of consecutive naturals, for example, 108336672 + ... + 108336677.

It is an arithmetic number, because the mean of its divisors is an integer number (216673350).

Almost surely, 2^650020047 is an apocalyptic number.

650020047 is a deficient number, since it is larger than the sum of its proper divisors (216673353).

650020047 is a wasteful number, since it uses less digits than its factorization.

650020047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216673352.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 650020047 is about 25495.4907189487. The cubic root of 650020047 is about 866.2480106316.

Subtracting 650020047 from its reverse (740020056), we obtain a palindrome (90000009).

The spelling of 650020047 in words is "six hundred fifty million, twenty thousand, forty-seven".