36315520 has 64 divisors (see below), whose sum is σ = 87577200. Its totient is φ = 14399488.

The previous prime is 36315497. The next prime is 36315527. The reversal of 36315520 is 2551363.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36315527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114402 + ... + 114718.

Almost surely, 2^36315520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43788600).

36315520 is an abundant number, since it is smaller than the sum of its proper divisors (51261680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36315520 is a wasteful number, since it uses less digits than its factorization.

36315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 36315520 is about 6026.2359728109. The cubic root of 36315520 is about 331.1545722504.

Adding to 36315520 its reverse (2551363), we get a palindrome (38866883).

The spelling of 36315520 in words is "thirty-six million, three hundred fifteen thousand, five hundred twenty".