662501 has 16 divisors (see below), whose sum is σ = 811008. Its totient is φ = 529200.

The previous prime is 662491. The next prime is 662513. The reversal of 662501 is 105266.

It is not a de Polignac number, because 662501 - 2¹⁰ = 661477 is a prime.

It is a Duffinian number.

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 662501.

It is not an unprimeable number, because it can be changed into a prime (662531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9296 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (50688).

2⁶⁶²⁵⁰¹ is an apocalyptic number.

It is an amenable number.

662501 is a deficient number, since it is larger than the sum of its proper divisors (148507).

662501 is a wasteful number, since it uses less digits than its factorization.

662501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 662501 is about 813.9416440999. The cubic root of 662501 is about 87.1757139252.

Adding to 662501 its reverse (105266), we get a palindrome (767767).

The spelling of 662501 in words is "six hundred sixty-two thousand, five hundred one".