83238525 has 36 divisors (see below), whose sum is σ = 156944320. Its totient is φ = 42055200.

The previous prime is 83238521. The next prime is 83238559. The reversal of 83238525 is 52583238.

It is not a de Polignac number, because 83238525 - 2² = 83238521 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 83238525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83238521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5461 + ... + 14010.

Almost surely, 2^83238525 is an apocalyptic number.

It is an amenable number.

83238525 is a deficient number, since it is larger than the sum of its proper divisors (73705795).

83238525 is a wasteful number, since it uses less digits than its factorization.

83238525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19506 (or 19498 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 83238525 is about 9123.5149476504. The cubic root of 83238525 is about 436.6245240944.

The spelling of 83238525 in words is "eighty-three million, two hundred thirty-eight thousand, five hundred twenty-five".