1043752653 has 12 divisors (see below), whose sum is σ = 1507926108. Its totient is φ = 695704320.

The previous prime is 1043752643. The next prime is 1043752681. The reversal of 1043752653 is 3562573401.

It can be written as a sum of positive squares in 2 ways, for example, as 958707369 + 85045284 = 30963^2 + 9222^2 .

It is not a de Polignac number, because 1043752653 - 2¹⁴ = 1043736269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043752643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76701 + ... + 89277.

It is an arithmetic number, because the mean of its divisors is an integer number (125660509).

Almost surely, 2^1043752653 is an apocalyptic number.

It is an amenable number.

1043752653 is a deficient number, since it is larger than the sum of its proper divisors (464173455).

1043752653 is a wasteful number, since it uses less digits than its factorization.

1043752653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21804 (or 21801 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 1043752653 is about 32307.1610173348. The cubic root of 1043752653 is about 1014.3765422285.

The spelling of 1043752653 in words is "one billion, forty-three million, seven hundred fifty-two thousand, six hundred fifty-three".