158589061 has 2 divisors, whose sum is σ = 158589062. Its totient is φ = 158589060.

The previous prime is 158589049. The next prime is 158589097. The reversal of 158589061 is 160985851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114896961 + 43692100 = 10719^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 158589061 - 2¹⁹ = 158064773 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 158588999 and 158589017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158589001) 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, 79294530 + 79294531.

It is an arithmetic number, because the mean of its divisors is an integer number (79294531).

Almost surely, 2^158589061 is an apocalyptic number.

It is an amenable number.

158589061 is a deficient number, since it is larger than the sum of its proper divisors (1).

158589061 is an equidigital number, since it uses as much as digits as its factorization.

158589061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 158589061 is about 12593.2148794500. The cubic root of 158589061 is about 541.2830271046.

The spelling of 158589061 in words is "one hundred fifty-eight million, five hundred eighty-nine thousand, sixty-one".