1009252733 has 4 divisors (see below), whose sum is σ = 1009317948. Its totient is φ = 1009187520.

The previous prime is 1009252703. The next prime is 1009252757. The reversal of 1009252733 is 3372529001.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 424483609 + 584769124 = 20603^2 + 24182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009252733 - 2¹² = 1009248637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009252733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009252703) 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, 5285 + ... + 45237.

It is an arithmetic number, because the mean of its divisors is an integer number (252329487).

Almost surely, 2^1009252733 is an apocalyptic number.

It is an amenable number.

1009252733 is a deficient number, since it is larger than the sum of its proper divisors (65215).

1009252733 is an equidigital number, since it uses as much as digits as its factorization.

1009252733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65214.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1009252733 is about 31768.7382972632. The cubic root of 1009252733 is about 1003.0747803691.

The spelling of 1009252733 in words is "one billion, nine million, two hundred fifty-two thousand, seven hundred thirty-three".