501241647 has 4 divisors (see below), whose sum is σ = 668322200. Its totient is φ = 334161096.

The previous prime is 501241613. The next prime is 501241661. The reversal of 501241647 is 746142105.

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

It is not a de Polignac number, because 501241647 - 2⁷ = 501241519 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 (501241667) 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, 83540272 + ... + 83540277.

It is an arithmetic number, because the mean of its divisors is an integer number (167080550).

Almost surely, 2^501241647 is an apocalyptic number.

501241647 is a deficient number, since it is larger than the sum of its proper divisors (167080553).

501241647 is a wasteful number, since it uses less digits than its factorization.

501241647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167080552.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 501241647 is about 22388.4266307394. The cubic root of 501241647 is about 794.3569801454.

The spelling of 501241647 in words is "five hundred one million, two hundred forty-one thousand, six hundred forty-seven".