157959289 has 2 divisors, whose sum is σ = 157959290. Its totient is φ = 157959288.

The previous prime is 157959287. The next prime is 157959311. The reversal of 157959289 is 982959751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152102889 + 5856400 = 12333^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 157959289 - 2¹ = 157959287 is a prime.

It is a super-2 number, since 2×157959289² = 49902273962771042, which contains 22 as substring.

Together with 157959287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (157959283) 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, 78979644 + 78979645.

It is an arithmetic number, because the mean of its divisors is an integer number (78979645).

Almost surely, 2^157959289 is an apocalyptic number.

It is an amenable number.

157959289 is a deficient number, since it is larger than the sum of its proper divisors (1).

157959289 is an equidigital number, since it uses as much as digits as its factorization.

157959289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 55.

The square root of 157959289 is about 12568.1855890180. The cubic root of 157959289 is about 540.5655814011.

The spelling of 157959289 in words is "one hundred fifty-seven million, nine hundred fifty-nine thousand, two hundred eighty-nine".