235525681 has 8 divisors (see below), whose sum is σ = 245922624. Its totient is φ = 225141840.

The previous prime is 235525679. The next prime is 235525711. The reversal of 235525681 is 186525532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235525681 - 2¹ = 235525679 is a prime.

It is a super-2 number, since 2×235525681² = 110944692821027522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235525681.

It is not an unprimeable number, because it can be changed into a prime (235525651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58330 + ... + 62236.

It is an arithmetic number, because the mean of its divisors is an integer number (30740328).

Almost surely, 2^235525681 is an apocalyptic number.

It is an amenable number.

235525681 is a deficient number, since it is larger than the sum of its proper divisors (10396943).

235525681 is a wasteful number, since it uses less digits than its factorization.

235525681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its digits is 72000, while the sum is 37.

The square root of 235525681 is about 15346.8459626074. The cubic root of 235525681 is about 617.5603756797.

The spelling of 235525681 in words is "two hundred thirty-five million, five hundred twenty-five thousand, six hundred eighty-one".