68249 has 4 divisors (see below), whose sum is σ = 68880. Its totient is φ = 67620.

The previous prime is 68239. The next prime is 68261. The reversal of 68249 is 94286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94286 = 2 ⋅47143.

It is a cyclic number.

It is not a de Polignac number, because 68249 - 2⁸ = 67993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107 + ... + 384.

It is an arithmetic number, because the mean of its divisors is an integer number (17220).

2⁶⁸²⁴⁹ is an apocalyptic number.

It is an amenable number.

68249 is a deficient number, since it is larger than the sum of its proper divisors (631).

68249 is a wasteful number, since it uses less digits than its factorization.

68249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its digits is 3456, while the sum is 29.

The square root of 68249 is about 261.2450956477. The cubic root of 68249 is about 40.8663105346.

It can be divided in two parts, 6824 and 9, that multiplied together give a palindrome (61416).

The spelling of 68249 in words is "sixty-eight thousand, two hundred forty-nine".