36521551 has 6 divisors (see below), whose sum is σ = 40143656. Its totient is φ = 33201300.

The previous prime is 36521543. The next prime is 36521557. The reversal of 36521551 is 15512563.

36521551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36521551 - 2³ = 36521543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36521557) 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 5 ways as a sum of consecutive naturals, for example, 150795 + ... + 151036.

Almost surely, 2^36521551 is an apocalyptic number.

36521551 is a deficient number, since it is larger than the sum of its proper divisors (3622105).

36521551 is a wasteful number, since it uses less digits than its factorization.

36521551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301853 (or 301842 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 36521551 is about 6043.3062970530. The cubic root of 36521551 is about 331.7796446280.

The spelling of 36521551 in words is "thirty-six million, five hundred twenty-one thousand, five hundred fifty-one".