1253089169 has 2 divisors, whose sum is σ = 1253089170. Its totient is φ = 1253089168.

The previous prime is 1253089163. The next prime is 1253089177. The reversal of 1253089169 is 9619803521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243479169 + 9610000 = 35263^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253089169 - 2¹⁶ = 1253023633 is a prime.

It is a super-2 number, since 2×1253089169² = 3140464930930221122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253089163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626544584 + 626544585.

It is an arithmetic number, because the mean of its divisors is an integer number (626544585).

Almost surely, 2^1253089169 is an apocalyptic number.

It is an amenable number.

1253089169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253089169 is an equidigital number, since it uses as much as digits as its factorization.

1253089169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1253089169 is about 35398.9995480098. Note that the first 3 decimals coincide. The cubic root of 1253089169 is about 1078.1040033875.

The spelling of 1253089169 in words is "one billion, two hundred fifty-three million, eighty-nine thousand, one hundred sixty-nine".