4324781 has 2 divisors, whose sum is σ = 4324782. Its totient is φ = 4324780.

The previous prime is 4324753. The next prime is 4324787. The reversal of 4324781 is 1874234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 2149156 = 1475^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 4324781 - 2¹⁰ = 4323757 is a prime.

It is a super-2 number, since 2×4324781² = 37407461395922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁶ + 3³ + 2¹³ + 4¹¹ + 7⁶ + 8³ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4324787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162390 + 2162391.

It is an arithmetic number, because the mean of its divisors is an integer number (2162391).

Almost surely, 2^4324781 is an apocalyptic number.

It is an amenable number.

4324781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4324781 is an equidigital number, since it uses as much as digits as its factorization.

4324781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 4324781 is about 2079.6107808915. The cubic root of 4324781 is about 162.9251164682.

The spelling of 4324781 in words is "four million, three hundred twenty-four thousand, seven hundred eighty-one".