4536121 has 2 divisors, whose sum is σ = 4536122. Its totient is φ = 4536120.

The previous prime is 4536109. The next prime is 4536131. The reversal of 4536121 is 1216354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 1132096 = 1845^2 + 1064^2 .

It is a cyclic number.

It is not a de Polignac number, because 4536121 - 2¹⁵ = 4503353 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4536092 and 4536101.

It is not a weakly prime, because it can be changed into another prime (4536131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268060 + 2268061.

It is an arithmetic number, because the mean of its divisors is an integer number (2268061).

Almost surely, 2^4536121 is an apocalyptic number.

It is an amenable number.

4536121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4536121 is an equidigital number, since it uses as much as digits as its factorization.

4536121 is an evil number, because the sum of its binary digits is even.

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

The square root of 4536121 is about 2129.8171283000. The cubic root of 4536121 is about 165.5369224826.

The spelling of 4536121 in words is "four million, five hundred thirty-six thousand, one hundred twenty-one".