68953 has 4 divisors (see below), whose sum is σ = 70308. Its totient is φ = 67600.

The previous prime is 68947. The next prime is 68963. The reversal of 68953 is 35986.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17424 + 51529 = 132^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 68953 - 2¹³ = 60761 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 689 and 53 contains 68953 itself.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (68903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (17577).

2⁶⁸⁹⁵³ is an apocalyptic number.

It is an amenable number.

68953 is a deficient number, since it is larger than the sum of its proper divisors (1355).

68953 is a wasteful number, since it uses less digits than its factorization.

68953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its digits is 6480, while the sum is 31.

The square root of 68953 is about 262.5890325204. The cubic root of 68953 is about 41.0063444475.

The spelling of 68953 in words is "sixty-eight thousand, nine hundred fifty-three".