159772601 has 2 divisors, whose sum is σ = 159772602. Its totient is φ = 159772600.

The previous prime is 159772553. The next prime is 159772631. The reversal of 159772601 is 106277951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157879225 + 1893376 = 12565^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 159772601 - 2⁶ = 159772537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159772631) 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, 79886300 + 79886301.

It is an arithmetic number, because the mean of its divisors is an integer number (79886301).

Almost surely, 2^159772601 is an apocalyptic number.

It is an amenable number.

159772601 is a deficient number, since it is larger than the sum of its proper divisors (1).

159772601 is an equidigital number, since it uses as much as digits as its factorization.

159772601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 159772601 is about 12640.1187098856. The cubic root of 159772601 is about 542.6262114413.

The spelling of 159772601 in words is "one hundred fifty-nine million, seven hundred seventy-two thousand, six hundred one".