158275813 has 2 divisors, whose sum is σ = 158275814. Its totient is φ = 158275812.

The previous prime is 158275807. The next prime is 158275847. The reversal of 158275813 is 318572851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157803844 + 471969 = 12562^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 158275813 - 2²¹ = 156178661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158275853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79137906 + 79137907.

It is an arithmetic number, because the mean of its divisors is an integer number (79137907).

Almost surely, 2^158275813 is an apocalyptic number.

It is an amenable number.

158275813 is a deficient number, since it is larger than the sum of its proper divisors (1).

158275813 is an equidigital number, since it uses as much as digits as its factorization.

158275813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 40.

The square root of 158275813 is about 12580.7715582153. The cubic root of 158275813 is about 540.9264081721.

The spelling of 158275813 in words is "one hundred fifty-eight million, two hundred seventy-five thousand, eight hundred thirteen".