1065252259 has 4 divisors (see below), whose sum is σ = 1065321720. Its totient is φ = 1065182800.

The previous prime is 1065252217. The next prime is 1065252277. The reversal of 1065252259 is 9522525601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9522525601 = 59 ⋅161398739.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065252259 is a prime.

It is a super-2 number, since 2×1065252259² = 2269524750609206162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065252359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442 + ... + 46159.

It is an arithmetic number, because the mean of its divisors is an integer number (266330430).

Almost surely, 2^1065252259 is an apocalyptic number.

1065252259 is a deficient number, since it is larger than the sum of its proper divisors (69461).

1065252259 is an equidigital number, since it uses as much as digits as its factorization.

1065252259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69460.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1065252259 is about 32638.2024474388. The cubic root of 1065252259 is about 1021.2940959563.

The spelling of 1065252259 in words is "one billion, sixty-five million, two hundred fifty-two thousand, two hundred fifty-nine".