36102821 has 2 divisors, whose sum is σ = 36102822. Its totient is φ = 36102820.

The previous prime is 36102797. The next prime is 36102827. The reversal of 36102821 is 12820163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28206721 + 7896100 = 5311^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 36102821 - 2¹⁸ = 35840677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36102827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18051410 + 18051411.

It is an arithmetic number, because the mean of its divisors is an integer number (18051411).

Almost surely, 2^36102821 is an apocalyptic number.

It is an amenable number.

36102821 is a deficient number, since it is larger than the sum of its proper divisors (1).

36102821 is an equidigital number, since it uses as much as digits as its factorization.

36102821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 36102821 is about 6008.5623072412. The cubic root of 36102821 is about 330.5067848401.

Adding to 36102821 its reverse (12820163), we get a palindrome (48922984).

The spelling of 36102821 in words is "thirty-six million, one hundred two thousand, eight hundred twenty-one".