36601321 has 4 divisors (see below), whose sum is σ = 36626500. Its totient is φ = 36576144.

The previous prime is 36601309. The next prime is 36601337. The reversal of 36601321 is 12310663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4791721 + 31809600 = 2189^2 + 5640^2 .

It is a cyclic number.

It is not a de Polignac number, because 36601321 - 2²³ = 28212713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36601292 and 36601301.

It is not an unprimeable number, because it can be changed into a prime (36601361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10266 + ... + 13363.

It is an arithmetic number, because the mean of its divisors is an integer number (9156625).

Almost surely, 2^36601321 is an apocalyptic number.

It is an amenable number.

36601321 is a deficient number, since it is larger than the sum of its proper divisors (25179).

36601321 is a wasteful number, since it uses less digits than its factorization.

36601321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25178.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 36601321 is about 6049.9025611988. The cubic root of 36601321 is about 332.0210255470.

Adding to 36601321 its reverse (12310663), we get a palindrome (48911984).

The spelling of 36601321 in words is "thirty-six million, six hundred one thousand, three hundred twenty-one".