465649 has 2 divisors, whose sum is σ = 465650. Its totient is φ = 465648.

The previous prime is 465643. The next prime is 465659. The reversal of 465649 is 946564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462400 + 3249 = 680^2 + 57^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465643) 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, 232824 + 232825.

It is an arithmetic number, because the mean of its divisors is an integer number (232825).

2⁴⁶⁵⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

465649 is a deficient number, since it is larger than the sum of its proper divisors (1).

465649 is an equidigital number, since it uses as much as digits as its factorization.

465649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 465649 is about 682.3847888105. The cubic root of 465649 is about 77.5091352395.

The spelling of 465649 in words is "four hundred sixty-five thousand, six hundred forty-nine".