36355021 has 4 divisors (see below), whose sum is σ = 36518272. Its totient is φ = 36191772.

The previous prime is 36355013. The next prime is 36355043. The reversal of 36355021 is 12055363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12055363 = 17 ⋅709139.

It is a cyclic number.

It is not a de Polignac number, because 36355021 - 2³ = 36355013 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36355001) 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, 81291 + ... + 81736.

It is an arithmetic number, because the mean of its divisors is an integer number (9129568).

Almost surely, 2^36355021 is an apocalyptic number.

It is an amenable number.

36355021 is a deficient number, since it is larger than the sum of its proper divisors (163251).

36355021 is a wasteful number, since it uses less digits than its factorization.

36355021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163250.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 36355021 is about 6029.5125010236. The cubic root of 36355021 is about 331.2745962038.

The spelling of 36355021 in words is "thirty-six million, three hundred fifty-five thousand, twenty-one".