4020433 has 2 divisors, whose sum is σ = 4020434. Its totient is φ = 4020432.

The previous prime is 4020431. The next prime is 4020461. The reversal of 4020433 is 3340204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 1140624 = 1697^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020433 - 2¹ = 4020431 is a prime.

Together with 4020431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4020431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010216 + 2010217.

It is an arithmetic number, because the mean of its divisors is an integer number (2010217).

Almost surely, 2^4020433 is an apocalyptic number.

It is an amenable number.

4020433 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020433 is an equidigital number, since it uses as much as digits as its factorization.

4020433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4020433 is about 2005.1017430545. The cubic root of 4020433 is about 159.0099409683.

Adding to 4020433 its reverse (3340204), we get a palindrome (7360637).

The spelling of 4020433 in words is "four million, twenty thousand, four hundred thirty-three".