64958 has 4 divisors (see below), whose sum is σ = 97440. Its totient is φ = 32478.

The previous prime is 64951. The next prime is 64969. The reversal of 64958 is 85946.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 6⁴ + 4⁶ + 9⁵ + 5 + 8³ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64951) by changing a digit.

64958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16238 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (24360).

2⁶⁴⁹⁵⁸ is an apocalyptic number.

64958 is a deficient number, since it is larger than the sum of its proper divisors (32482).

64958 is a wasteful number, since it uses less digits than its factorization.

64958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481.

The product of its digits is 8640, while the sum is 32.

The square root of 64958 is about 254.8685935929. The cubic root of 64958 is about 40.1985956953.

It can be divided in two parts, 649 and 58, that added together give a palindrome (707).

The spelling of 64958 in words is "sixty-four thousand, nine hundred fifty-eight".