501345 has 24 divisors (see below), whose sum is σ = 936936. Its totient is φ = 246528.

The previous prime is 501343. The next prime is 501367. The reversal of 501345 is 543105.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 431649 = 264^2 + 657^2 .

It is not a de Polignac number, because 501345 - 2¹ = 501343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157 + ... + 1013.

It is an arithmetic number, because the mean of its divisors is an integer number (39039).

2⁵⁰¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

501345 is a deficient number, since it is larger than the sum of its proper divisors (435591).

501345 is a wasteful number, since it uses less digits than its factorization.

501345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 501345 is about 708.0572010791. The cubic root of 501345 is about 79.4411573597.

The spelling of 501345 in words is "five hundred one thousand, three hundred forty-five".