492161597 has 2 divisors, whose sum is σ = 492161598. Its totient is φ = 492161596.

The previous prime is 492161591. The next prime is 492161599. The reversal of 492161597 is 795161294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491996761 + 164836 = 22181^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 492161597 - 2¹⁰ = 492160573 is a prime.

Together with 492161599, 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 (492161591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246080798 + 246080799.

It is an arithmetic number, because the mean of its divisors is an integer number (246080799).

Almost surely, 2^492161597 is an apocalyptic number.

It is an amenable number.

492161597 is a deficient number, since it is larger than the sum of its proper divisors (1).

492161597 is an equidigital number, since it uses as much as digits as its factorization.

492161597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The square root of 492161597 is about 22184.7153914581. The cubic root of 492161597 is about 789.5310986566.

The spelling of 492161597 in words is "four hundred ninety-two million, one hundred sixty-one thousand, five hundred ninety-seven".