501135 has 8 divisors (see below), whose sum is σ = 801840. Its totient is φ = 267264.

The previous prime is 501133. The next prime is 501139. The reversal of 501135 is 531105.

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

It is not a de Polignac number, because 501135 - 2¹ = 501133 is a prime.

It is a super-2 number, since 2×501135² = 502272576450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 33409 = 501135 / (5 + 0 + 1 + 1 + 3 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501131) 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, 16690 + ... + 16719.

It is an arithmetic number, because the mean of its divisors is an integer number (100230).

2⁵⁰¹¹³⁵ is an apocalyptic number.

501135 is a deficient number, since it is larger than the sum of its proper divisors (300705).

501135 is a wasteful number, since it uses less digits than its factorization.

501135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33417.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 501135 is about 707.9088924431. The cubic root of 501135 is about 79.4300638859.

It can be divided in two parts, 501 and 135, that added together give a palindrome (636).

The spelling of 501135 in words is "five hundred one thousand, one hundred thirty-five".