68361525 has 36 divisors (see below), whose sum is σ = 128895520. Its totient is φ = 34538400.

The previous prime is 68361521. The next prime is 68361577. The reversal of 68361525 is 52516386.

It is not a de Polignac number, because 68361525 - 2² = 68361521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68361525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68361521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3721 + ... + 12270.

Almost surely, 2^68361525 is an apocalyptic number.

It is an amenable number.

68361525 is a deficient number, since it is larger than the sum of its proper divisors (60533995).

68361525 is a wasteful number, since it uses less digits than its factorization.

68361525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16026 (or 16018 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 68361525 is about 8268.1028658332. The cubic root of 68361525 is about 408.8875753832.

It can be divided in two parts, 68361 and 525, that added together give a palindrome (68886).

The spelling of 68361525 in words is "sixty-eight million, three hundred sixty-one thousand, five hundred twenty-five".