662449 has 2 divisors, whose sum is σ = 662450. Its totient is φ = 662448.

The previous prime is 662443. The next prime is 662477. The reversal of 662449 is 944266.

662449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446224 + 216225 = 668^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 662449 - 2¹³ = 654257 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 662449.

It is not a weakly prime, because it can be changed into another prime (662443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331224 + 331225.

It is an arithmetic number, because the mean of its divisors is an integer number (331225).

2⁶⁶²⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

662449 is a deficient number, since it is larger than the sum of its proper divisors (1).

662449 is an equidigital number, since it uses as much as digits as its factorization.

662449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 662449 is about 813.9097001511. The cubic root of 662449 is about 87.1734330453.

It can be divided in two parts, 662 and 449, that added together give a palindrome (1111).

The spelling of 662449 in words is "six hundred sixty-two thousand, four hundred forty-nine".