36681525 has 48 divisors (see below), whose sum is σ = 69598720. Its totient is φ = 18921600.

The previous prime is 36681521. The next prime is 36681553. The reversal of 36681525 is 52518663.

It is not a de Polignac number, because 36681525 - 2² = 36681521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36681525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36681521) 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, 20049 + ... + 21801.

Almost surely, 2^36681525 is an apocalyptic number.

It is an amenable number.

36681525 is a deficient number, since it is larger than the sum of its proper divisors (32917195).

36681525 is a wasteful number, since it uses less digits than its factorization.

36681525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1792 counting only the distinct ones).

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

The square root of 36681525 is about 6056.5274704240. The cubic root of 36681525 is about 332.2633664094.

The spelling of 36681525 in words is "thirty-six million, six hundred eighty-one thousand, five hundred twenty-five".