493323401 has 2 divisors, whose sum is σ = 493323402. Its totient is φ = 493323400.

The previous prime is 493323377. The next prime is 493323431. The reversal of 493323401 is 104323394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268173376 + 225150025 = 16376^2 + 15005^2 .

It is a cyclic number.

It is not a de Polignac number, because 493323401 - 2²² = 489129097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493323431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246661700 + 246661701.

It is an arithmetic number, because the mean of its divisors is an integer number (246661701).

Almost surely, 2^493323401 is an apocalyptic number.

It is an amenable number.

493323401 is a deficient number, since it is larger than the sum of its proper divisors (1).

493323401 is an equidigital number, since it uses as much as digits as its factorization.

493323401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 493323401 is about 22210.8847414956. The cubic root of 493323401 is about 790.1518700708.

Adding to 493323401 its reverse (104323394), we get a palindrome (597646795).

The spelling of 493323401 in words is "four hundred ninety-three million, three hundred twenty-three thousand, four hundred one".