159941401 has 2 divisors, whose sum is σ = 159941402. Its totient is φ = 159941400.

The previous prime is 159941371. The next prime is 159941413. The reversal of 159941401 is 104149951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138039001 + 21902400 = 11749^2 + 4680^2 .

It is an emirp because it is prime and its reverse (104149951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159941401 - 2⁹ = 159940889 is a prime.

It is not a weakly prime, because it can be changed into another prime (159941461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79970700 + 79970701.

It is an arithmetic number, because the mean of its divisors is an integer number (79970701).

Almost surely, 2^159941401 is an apocalyptic number.

It is an amenable number.

159941401 is a deficient number, since it is larger than the sum of its proper divisors (1).

159941401 is an equidigital number, since it uses as much as digits as its factorization.

159941401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 159941401 is about 12646.7940996918. The cubic root of 159941401 is about 542.8172393272.

The spelling of 159941401 in words is "one hundred fifty-nine million, nine hundred forty-one thousand, four hundred one".