1252035543 has 16 divisors (see below), whose sum is σ = 1826562816. Its totient is φ = 756551040.

The previous prime is 1252035539. The next prime is 1252035581. The reversal of 1252035543 is 3455302521.

It is not a de Polignac number, because 1252035543 - 2² = 1252035539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252035543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252035503) 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, 45171 + ... + 67412.

It is an arithmetic number, because the mean of its divisors is an integer number (114160176).

Almost surely, 2^1252035543 is an apocalyptic number.

1252035543 is a deficient number, since it is larger than the sum of its proper divisors (574527273).

1252035543 is a wasteful number, since it uses less digits than its factorization.

1252035543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112934.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1252035543 is about 35384.1142746289. The cubic root of 1252035543 is about 1077.8017538338.

The spelling of 1252035543 in words is "one billion, two hundred fifty-two million, thirty-five thousand, five hundred forty-three".