501047 has 4 divisors (see below), whose sum is σ = 508176. Its totient is φ = 493920.

The previous prime is 501043. The next prime is 501077. The reversal of 501047 is 740105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740105 = 5 ⋅148021.

It is a cyclic number.

It is not a de Polignac number, because 501047 - 2² = 501043 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 (501043) 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, 3458 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (127044).

2⁵⁰¹⁰⁴⁷ is an apocalyptic number.

501047 is a deficient number, since it is larger than the sum of its proper divisors (7129).

501047 is an equidigital number, since it uses as much as digits as its factorization.

501047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 501047 is about 707.8467348233. The cubic root of 501047 is about 79.4254142706.

The spelling of 501047 in words is "five hundred one thousand, forty-seven".