501149 has 8 divisors (see below), whose sum is σ = 565920. Its totient is φ = 439600.

The previous prime is 501139. The next prime is 501157. The reversal of 501149 is 941105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501149 - 2⁴ = 501133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 501149.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501149.

It is not an unprimeable number, because it can be changed into a prime (501139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (70740).

2⁵⁰¹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

501149 is a deficient number, since it is larger than the sum of its proper divisors (64771).

501149 is a wasteful number, since it uses less digits than its factorization.

501149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 501149 is about 707.9187806521. The cubic root of 501149 is about 79.4308035472.

The spelling of 501149 in words is "five hundred one thousand, one hundred forty-nine".