4423261 has 2 divisors, whose sum is σ = 4423262. Its totient is φ = 4423260.

The previous prime is 4423259. The next prime is 4423271. The reversal of 4423261 is 1623244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 383161 = 2010^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423261 - 2¹ = 4423259 is a prime.

Together with 4423259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211630 + 2211631.

It is an arithmetic number, because the mean of its divisors is an integer number (2211631).

Almost surely, 2^4423261 is an apocalyptic number.

It is an amenable number.

4423261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423261 is an equidigital number, since it uses as much as digits as its factorization.

4423261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 4423261 is about 2103.1550109300. The cubic root of 4423261 is about 164.1525078475.

The spelling of 4423261 in words is "four million, four hundred twenty-three thousand, two hundred sixty-one".