662141 has 2 divisors, whose sum is σ = 662142. Its totient is φ = 662140.

The previous prime is 662111. The next prime is 662143. The reversal of 662141 is 141266.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556516 + 105625 = 746^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 662141 - 2¹⁰ = 661117 is a prime.

Together with 662143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662143) 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 as a sum of consecutive naturals, namely, 331070 + 331071.

It is an arithmetic number, because the mean of its divisors is an integer number (331071).

2⁶⁶²¹⁴¹ is an apocalyptic number.

It is an amenable number.

662141 is a deficient number, since it is larger than the sum of its proper divisors (1).

662141 is an equidigital number, since it uses as much as digits as its factorization.

662141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 662141 is about 813.7204679741. The cubic root of 662141 is about 87.1599207701.

The spelling of 662141 in words is "six hundred sixty-two thousand, one hundred forty-one".