1065597273 has 36 divisors (see below), whose sum is σ = 1749498660. Its totient is φ = 621214272.

The previous prime is 1065597259. The next prime is 1065597287. The reversal of 1065597273 is 3727955601.

It is an interprime number because it is at equal distance from previous prime (1065597259) and next prime (1065597287).

It can be written as a sum of positive squares in 2 ways, for example, as 104101209 + 961496064 = 10203^2 + 31008^2 .

It is not a de Polignac number, because 1065597273 - 2⁶ = 1065597209 is a prime.

It is a super-2 number, since 2×1065597273² = 2270995096450073058, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065597223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29623 + ... + 54851.

It is an arithmetic number, because the mean of its divisors is an integer number (48597185).

Almost surely, 2^1065597273 is an apocalyptic number.

1065597273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1065597273 is a deficient number, since it is larger than the sum of its proper divisors (683901387).

1065597273 is a wasteful number, since it uses less digits than its factorization.

1065597273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25286 (or 25264 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 1065597273 is about 32643.4874515576. The cubic root of 1065597273 is about 1021.4043429969.

The spelling of 1065597273 in words is "one billion, sixty-five million, five hundred ninety-seven thousand, two hundred seventy-three".