501315 has 16 divisors (see below), whose sum is σ = 844800. Its totient is φ = 253152.

The previous prime is 501299. The next prime is 501317. The reversal of 501315 is 513105.

It is not a de Polignac number, because 501315 - 2⁴ = 501299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 501294 and 501303.

It is not an unprimeable number, because it can be changed into a prime (501317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (52800).

2⁵⁰¹³¹⁵ is an apocalyptic number.

501315 is a deficient number, since it is larger than the sum of its proper divisors (343485).

501315 is a wasteful number, since it uses less digits than its factorization.

501315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786.

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

The square root of 501315 is about 708.0360160331. The cubic root of 501315 is about 79.4395727674.

The spelling of 501315 in words is "five hundred one thousand, three hundred fifteen".