662061 has 4 divisors (see below), whose sum is σ = 882752. Its totient is φ = 441372.

The previous prime is 662059. The next prime is 662063. The reversal of 662061 is 160266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (662059) and next prime (662063).

It is not a de Polignac number, because 662061 - 2¹ = 662059 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110341 + ... + 110346.

It is an arithmetic number, because the mean of its divisors is an integer number (220688).

2⁶⁶²⁰⁶¹ is an apocalyptic number.

It is an amenable number.

662061 is a deficient number, since it is larger than the sum of its proper divisors (220691).

662061 is a wasteful number, since it uses less digits than its factorization.

662061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220690.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 662061 is about 813.6713095593. The cubic root of 662061 is about 87.1564104027.

The spelling of 662061 in words is "six hundred sixty-two thousand, sixty-one".