36347521 has 16 divisors (see below), whose sum is σ = 44068608. Its totient is φ = 29304000.

The previous prime is 36347501. The next prime is 36347539. The reversal of 36347521 is 12574363.

It is a cyclic number.

It is not a de Polignac number, because 36347521 - 2⁵ = 36347489 is a prime.

It is a super-2 number, since 2×36347521² = 2642284565690882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36347501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971 + ... + 11671.

It is an arithmetic number, because the mean of its divisors is an integer number (2754288).

Almost surely, 2^36347521 is an apocalyptic number.

It is an amenable number.

36347521 is a deficient number, since it is larger than the sum of its proper divisors (7721087).

36347521 is a wasteful number, since it uses less digits than its factorization.

36347521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792.

The product of its digits is 15120, while the sum is 31.

The square root of 36347521 is about 6028.8905281154. The cubic root of 36347521 is about 331.2518141113.

The spelling of 36347521 in words is "thirty-six million, three hundred forty-seven thousand, five hundred twenty-one".