36235421 has 2 divisors, whose sum is σ = 36235422. Its totient is φ = 36235420.

The previous prime is 36235379. The next prime is 36235427. The reversal of 36235421 is 12453263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35832196 + 403225 = 5986^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 36235421 - 2¹⁴ = 36219037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36235427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18117710 + 18117711.

It is an arithmetic number, because the mean of its divisors is an integer number (18117711).

Almost surely, 2^36235421 is an apocalyptic number.

It is an amenable number.

36235421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36235421 is an equidigital number, since it uses as much as digits as its factorization.

36235421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 36235421 is about 6019.5864475892. The cubic root of 36235421 is about 330.9109236610.

Adding to 36235421 its reverse (12453263), we get a palindrome (48688684).

The spelling of 36235421 in words is "thirty-six million, two hundred thirty-five thousand, four hundred twenty-one".