68542325 has 6 divisors (see below), whose sum is σ = 84992514. Its totient is φ = 54833840.

The previous prime is 68542321. The next prime is 68542339. The reversal of 68542325 is 52324586.

It can be written as a sum of positive squares in 3 ways, for example, as 484 + 68541841 = 22^2 + 8279^2 .

It is not a de Polignac number, because 68542325 - 2² = 68542321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68542321) 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, 1370822 + ... + 1370871.

It is an arithmetic number, because the mean of its divisors is an integer number (14165419).

Almost surely, 2^68542325 is an apocalyptic number.

It is an amenable number.

68542325 is a deficient number, since it is larger than the sum of its proper divisors (16450189).

68542325 is a wasteful number, since it uses less digits than its factorization.

68542325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741703 (or 2741698 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 68542325 is about 8279.0292305318. The cubic root of 68542325 is about 409.2477282431.

The spelling of 68542325 in words is "sixty-eight million, five hundred forty-two thousand, three hundred twenty-five".