36105421 has 16 divisors (see below), whose sum is σ = 41061888. Its totient is φ = 31449600.

The previous prime is 36105403. The next prime is 36105427. The reversal of 36105421 is 12450163.

It is a cyclic number.

It is not a de Polignac number, because 36105421 - 2¹¹ = 36103373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36105392 and 36105401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36105427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38065 + ... + 39001.

It is an arithmetic number, because the mean of its divisors is an integer number (2566368).

Almost surely, 2^36105421 is an apocalyptic number.

36105421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36105421 is a deficient number, since it is larger than the sum of its proper divisors (4956467).

36105421 is a wasteful number, since it uses less digits than its factorization.

36105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 36105421 is about 6008.7786612589. The cubic root of 36105421 is about 330.5147186340.

Adding to 36105421 its reverse (12450163), we get a palindrome (48555584).

The spelling of 36105421 in words is "thirty-six million, one hundred five thousand, four hundred twenty-one".