36605231 has 12 divisors (see below), whose sum is σ = 39905712. Its totient is φ = 33561216.

The previous prime is 36605209. The next prime is 36605237. The reversal of 36605231 is 13250663.

It is not a de Polignac number, because 36605231 - 2¹⁰ = 36604207 is a prime.

It is a super-2 number, since 2×36605231² = 2679885873126722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36605231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36605237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27575 + ... + 28871.

It is an arithmetic number, because the mean of its divisors is an integer number (3325476).

Almost surely, 2^36605231 is an apocalyptic number.

36605231 is a deficient number, since it is larger than the sum of its proper divisors (3300481).

36605231 is a wasteful number, since it uses less digits than its factorization.

36605231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 36605231 is about 6050.2256982694. The cubic root of 36605231 is about 332.0328480346.

Adding to 36605231 its reverse (13250663), we get a palindrome (49855894).

The spelling of 36605231 in words is "thirty-six million, six hundred five thousand, two hundred thirty-one".