36521005 has 16 divisors (see below), whose sum is σ = 46090800. Its totient is φ = 27740160.

The previous prime is 36520997. The next prime is 36521029. The reversal of 36521005 is 50012563.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3928324 + 32592681 = 1982^2 + 5709^2 .

It is not a de Polignac number, because 36521005 - 2³ = 36520997 is a prime.

It is a super-3 number, since 3×36521005³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 6781 + ... + 10909.

It is an arithmetic number, because the mean of its divisors is an integer number (2880675).

Almost surely, 2^36521005 is an apocalyptic number.

It is an amenable number.

36521005 is a deficient number, since it is larger than the sum of its proper divisors (9569795).

36521005 is a wasteful number, since it uses less digits than its factorization.

36521005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 36521005 is about 6043.2611229369. The cubic root of 36521005 is about 331.7779912427. Note that the first 3 decimals are identical.

Adding to 36521005 its reverse (50012563), we get a palindrome (86533568).

The spelling of 36521005 in words is "thirty-six million, five hundred twenty-one thousand, five".