64450 has 12 divisors (see below), whose sum is σ = 119970. Its totient is φ = 25760.

The previous prime is 64439. The next prime is 64451. The reversal of 64450 is 5446.

It can be written as a sum of positive squares in 3 ways, for example, as 56169 + 8281 = 237^2 + 91^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (64451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595 + ... + 694.

2⁶⁴⁴⁵⁰ is an apocalyptic number.

64450 is a deficient number, since it is larger than the sum of its proper divisors (55520).

64450 is a wasteful number, since it uses less digits than its factorization.

64450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 64450 is about 253.8700454957. The cubic root of 64450 is about 40.0935311277.

Adding to 64450 its reverse (5446), we get a palindrome (69896).

The spelling of 64450 in words is "sixty-four thousand, four hundred fifty".