492412381 has 2 divisors, whose sum is σ = 492412382. Its totient is φ = 492412380.

The previous prime is 492412351. The next prime is 492412397. The reversal of 492412381 is 183214294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475676100 + 16736281 = 21810^2 + 4091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492412381 is a prime.

It is a super-2 number, since 2×492412381² = 484939905924178322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492412331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246206190 + 246206191.

It is an arithmetic number, because the mean of its divisors is an integer number (246206191).

Almost surely, 2^492412381 is an apocalyptic number.

It is an amenable number.

492412381 is a deficient number, since it is larger than the sum of its proper divisors (1).

492412381 is an equidigital number, since it uses as much as digits as its factorization.

492412381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 492412381 is about 22190.3668514065. The cubic root of 492412381 is about 789.6651793778.

The spelling of 492412381 in words is "four hundred ninety-two million, four hundred twelve thousand, three hundred eighty-one".