158210497 has 2 divisors, whose sum is σ = 158210498. Its totient is φ = 158210496.

The previous prime is 158210443. The next prime is 158210501. The reversal of 158210497 is 794012851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 62346816 = 9791^2 + 7896^2 .

It is an emirp because it is prime and its reverse (794012851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158210497 - 2¹⁵ = 158177729 is a prime.

It is a super-2 number, since 2×158210497² = 50061122721974018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158210407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79105248 + 79105249.

It is an arithmetic number, because the mean of its divisors is an integer number (79105249).

Almost surely, 2^158210497 is an apocalyptic number.

It is an amenable number.

158210497 is a deficient number, since it is larger than the sum of its proper divisors (1).

158210497 is an equidigital number, since it uses as much as digits as its factorization.

158210497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 158210497 is about 12578.1754241225. The cubic root of 158210497 is about 540.8519895358.

The spelling of 158210497 in words is "one hundred fifty-eight million, two hundred ten thousand, four hundred ninety-seven".