500012447 has 4 divisors (see below), whose sum is σ = 545468136. Its totient is φ = 454556760.

The previous prime is 500012419. The next prime is 500012467. The reversal of 500012447 is 744210005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500012447 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 (500012407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22727828 + ... + 22727849.

It is an arithmetic number, because the mean of its divisors is an integer number (136367034).

Almost surely, 2^500012447 is an apocalyptic number.

500012447 is a deficient number, since it is larger than the sum of its proper divisors (45455689).

500012447 is a wasteful number, since it uses less digits than its factorization.

500012447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45455688.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 500012447 is about 22360.9580966469. The cubic root of 500012447 is about 793.7071120564.

The spelling of 500012447 in words is "five hundred million, twelve thousand, four hundred forty-seven".