1073243265 has 16 divisors (see below), whose sum is σ = 1759072896. Its totient is φ = 558435200.

The previous prime is 1073243263. The next prime is 1073243279. The reversal of 1073243265 is 5623423701.

It is not a de Polignac number, because 1073243265 - 2¹ = 1073243263 is a prime.

It is a super-2 number, since 2×1073243265² = 2303702211735720450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1073243263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871941 + ... + 873170.

It is an arithmetic number, because the mean of its divisors is an integer number (109942056).

Almost surely, 2^1073243265 is an apocalyptic number.

1073243265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1073243265 is a deficient number, since it is larger than the sum of its proper divisors (685829631).

1073243265 is a wasteful number, since it uses less digits than its factorization.

1073243265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745160.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1073243265 is about 32760.3917101124. The cubic root of 1073243265 is about 1023.8414878262.

Adding to 1073243265 its reverse (5623423701), we get a palindrome (6696666966).

The spelling of 1073243265 in words is "one billion, seventy-three million, two hundred forty-three thousand, two hundred sixty-five".