1053508765 has 8 divisors (see below), whose sum is σ = 1273439160. Its totient is φ = 836654592.

The previous prime is 1053508763. The next prime is 1053508877. The reversal of 1053508765 is 5678053501.

It can be written as a sum of positive squares in 4 ways, for example, as 245016409 + 808492356 = 15653^2 + 28434^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1053508765 - 2¹ = 1053508763 is a prime.

It is a super-3 number, since 3×1053508765³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053508763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768300 + ... + 769669.

It is an arithmetic number, because the mean of its divisors is an integer number (159179895).

Almost surely, 2^1053508765 is an apocalyptic number.

It is an amenable number.

1053508765 is a deficient number, since it is larger than the sum of its proper divisors (219930395).

1053508765 is a wasteful number, since it uses less digits than its factorization.

1053508765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538111.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1053508765 is about 32457.7997559909. The cubic root of 1053508765 is about 1017.5272554964.

The spelling of 1053508765 in words is "one billion, fifty-three million, five hundred eight thousand, seven hundred sixty-five".