68425 has 24 divisors (see below), whose sum is σ = 107136. Its totient is φ = 42240.

The previous prime is 68399. The next prime is 68437. The reversal of 68425 is 52486.

68425 = T₇₀ + T₇₁ + ... + T₉₀.

68425 = 18² + 19² + ... + 59².

It is not a de Polignac number, because 68425 - 2¹¹ = 66377 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 6⁶ + 8⁴ + 4⁵ + 2¹⁰ + 5⁶ .

It is a Duffinian number.

68425 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 68425.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2964 + ... + 2986.

It is an arithmetic number, because the mean of its divisors is an integer number (4464).

2⁶⁸⁴²⁵ is an apocalyptic number.

It is an amenable number.

68425 is a deficient number, since it is larger than the sum of its proper divisors (38711).

68425 is a wasteful number, since it uses less digits than its factorization.

68425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 52 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 68425 is about 261.5817271906. The cubic root of 68425 is about 40.9014089579.

It can be divided in two parts, 68 and 425, that multiplied together give a square (28900 = 170²).

The spelling of 68425 in words is "sixty-eight thousand, four hundred twenty-five".