493325381 has 2 divisors, whose sum is σ = 493325382. Its totient is φ = 493325380.

The previous prime is 493325377. The next prime is 493325383. The reversal of 493325381 is 183523394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417548356 + 75777025 = 20434^2 + 8705^2 .

It is a cyclic number.

It is not a de Polignac number, because 493325381 - 2² = 493325377 is a prime.

It is a super-2 number, since 2×493325381² = 486739863077590322, which contains 22 as substring.

Together with 493325383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493325383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246662690 + 246662691.

It is an arithmetic number, because the mean of its divisors is an integer number (246662691).

Almost surely, 2^493325381 is an apocalyptic number.

It is an amenable number.

493325381 is a deficient number, since it is larger than the sum of its proper divisors (1).

493325381 is an equidigital number, since it uses as much as digits as its factorization.

493325381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 493325381 is about 22210.9293141912. The cubic root of 493325381 is about 790.1529271858.

The spelling of 493325381 in words is "four hundred ninety-three million, three hundred twenty-five thousand, three hundred eighty-one".