501245 has 8 divisors (see below), whose sum is σ = 636984. Its totient is φ = 377344.

The previous prime is 501233. The next prime is 501257. The reversal of 501245 is 542105.

It is an interprime number because it is at equal distance from previous prime (501233) and next prime (501257).

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 284089 = 466^2 + 533^2 .

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 501245 - 2⁴ = 501229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (79623).

2⁵⁰¹²⁴⁵ is an apocalyptic number.

It is an amenable number.

501245 is a deficient number, since it is larger than the sum of its proper divisors (135739).

501245 is a wasteful number, since it uses less digits than its factorization.

501245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 501245 is about 707.9865817938. The cubic root of 501245 is about 79.4358751396.

The spelling of 501245 in words is "five hundred one thousand, two hundred forty-five".