4020353 has 2 divisors, whose sum is σ = 4020354. Its totient is φ = 4020352.

The previous prime is 4020349. The next prime is 4020361. The reversal of 4020353 is 3530204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 1926544 = 1447^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020353 - 2² = 4020349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4020323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010176 + 2010177.

It is an arithmetic number, because the mean of its divisors is an integer number (2010177).

Almost surely, 2^4020353 is an apocalyptic number.

It is an amenable number.

4020353 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020353 is an equidigital number, since it uses as much as digits as its factorization.

4020353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 4020353 is about 2005.0817938428. The cubic root of 4020353 is about 159.0088862826.

Adding to 4020353 its reverse (3530204), we get a palindrome (7550557).

The spelling of 4020353 in words is "four million, twenty thousand, three hundred fifty-three".