159252469 has 2 divisors, whose sum is σ = 159252470. Its totient is φ = 159252468.

The previous prime is 159252463. The next prime is 159252557. The reversal of 159252469 is 964252951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 114244 = 12615^2 + 338^2 .

It is an emirp because it is prime and its reverse (964252951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159252469 - 2⁷ = 159252341 is a prime.

It is a super-2 number, since 2×159252469² = 50722697765191922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159252463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79626234 + 79626235.

It is an arithmetic number, because the mean of its divisors is an integer number (79626235).

Almost surely, 2^159252469 is an apocalyptic number.

It is an amenable number.

159252469 is a deficient number, since it is larger than the sum of its proper divisors (1).

159252469 is an equidigital number, since it uses as much as digits as its factorization.

159252469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 159252469 is about 12619.5272890865. The cubic root of 159252469 is about 542.0367401555.

The spelling of 159252469 in words is "one hundred fifty-nine million, two hundred fifty-two thousand, four hundred sixty-nine".