413331493 has 2 divisors, whose sum is σ = 413331494. Its totient is φ = 413331492.

The previous prime is 413331473. The next prime is 413331497. The reversal of 413331493 is 394133314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408322849 + 5008644 = 20207^2 + 2238^2 .

It is a cyclic number.

It is not a de Polignac number, because 413331493 - 2¹³ = 413323301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413331497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206665746 + 206665747.

It is an arithmetic number, because the mean of its divisors is an integer number (206665747).

Almost surely, 2^413331493 is an apocalyptic number.

It is an amenable number.

413331493 is a deficient number, since it is larger than the sum of its proper divisors (1).

413331493 is an equidigital number, since it uses as much as digits as its factorization.

413331493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 413331493 is about 20330.5556490717. Note that the first 3 decimals coincide. The cubic root of 413331493 is about 744.9026150801.

The spelling of 413331493 in words is "four hundred thirteen million, three hundred thirty-one thousand, four hundred ninety-three".