68133525 has 48 divisors (see below), whose sum is σ = 119784000. Its totient is φ = 34076160.

The previous prime is 68133497. The next prime is 68133529. The reversal of 68133525 is 52533186.

It is not a de Polignac number, because 68133525 - 2⁸ = 68133269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68133529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195051 + ... + 195399.

It is an arithmetic number, because the mean of its divisors is an integer number (2495500).

Almost surely, 2^68133525 is an apocalyptic number.

It is an amenable number.

68133525 is a deficient number, since it is larger than the sum of its proper divisors (51650475).

68133525 is a wasteful number, since it uses less digits than its factorization.

68133525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 513 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 68133525 is about 8254.3034230636. The cubic root of 68133525 is about 408.4324938500.

The spelling of 68133525 in words is "sixty-eight million, one hundred thirty-three thousand, five hundred twenty-five".