159541951 has 2 divisors, whose sum is σ = 159541952. Its totient is φ = 159541950.

The previous prime is 159541939. The next prime is 159541969. The reversal of 159541951 is 159145951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159541951 - 2⁹ = 159541439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159541981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79770975 + 79770976.

It is an arithmetic number, because the mean of its divisors is an integer number (79770976).

Almost surely, 2^159541951 is an apocalyptic number.

159541951 is a deficient number, since it is larger than the sum of its proper divisors (1).

159541951 is an equidigital number, since it uses as much as digits as its factorization.

159541951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 40.

The square root of 159541951 is about 12630.9916871163. The cubic root of 159541951 is about 542.3649713846.

The spelling of 159541951 in words is "one hundred fifty-nine million, five hundred forty-one thousand, nine hundred fifty-one".