64403 has 2 divisors, whose sum is σ = 64404. Its totient is φ = 64402.

The previous prime is 64399. The next prime is 64433. The reversal of 64403 is 30446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64403 - 2² = 64399 is a prime.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64403.

It is not a weakly prime, because it can be changed into another prime (64433) 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, 32201 + 32202.

It is an arithmetic number, because the mean of its divisors is an integer number (32202).

2⁶⁴⁴⁰³ is an apocalyptic number.

64403 is a deficient number, since it is larger than the sum of its proper divisors (1).

64403 is an equidigital number, since it uses as much as digits as its factorization.

64403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 64403 is about 253.7774615682. Note that the first 3 decimals coincide. The cubic root of 64403 is about 40.0837827222.

Adding to 64403 its reverse (30446), we get a palindrome (94849).

The spelling of 64403 in words is "sixty-four thousand, four hundred three".