36253421 has 2 divisors, whose sum is σ = 36253422. Its totient is φ = 36253420.

The previous prime is 36253411. The next prime is 36253457. The reversal of 36253421 is 12435263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35880100 + 373321 = 5990^2 + 611^2 .

It is an emirp because it is prime and its reverse (12435263) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36253421 is a prime.

It is a super-5 number, since 5×36253421⁵ (a number of 39 digits) contains 55555 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_2218814 and since 36253421 and 2218814 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36253411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18126710 + 18126711.

It is an arithmetic number, because the mean of its divisors is an integer number (18126711).

Almost surely, 2^36253421 is an apocalyptic number.

It is an amenable number.

36253421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36253421 is an equidigital number, since it uses as much as digits as its factorization.

36253421 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 36253421 is about 6021.0813812803. The cubic root of 36253421 is about 330.9657080906.

Adding to 36253421 its reverse (12435263), we get a palindrome (48688684).

The spelling of 36253421 in words is "thirty-six million, two hundred fifty-three thousand, four hundred twenty-one".