1252460543 has 16 divisors (see below), whose sum is σ = 1321235712. Its totient is φ = 1185600000.

The previous prime is 1252460537. The next prime is 1252460557. The reversal of 1252460543 is 3450642521.

It is a cyclic number.

It is not a de Polignac number, because 1252460543 - 2¹⁰ = 1252459519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252460513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657893 + ... + 659793.

It is an arithmetic number, because the mean of its divisors is an integer number (82577232).

Almost surely, 2^1252460543 is an apocalyptic number.

1252460543 is a deficient number, since it is larger than the sum of its proper divisors (68775169).

1252460543 is a wasteful number, since it uses less digits than its factorization.

1252460543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1252460543 is about 35390.1192849078. The cubic root of 1252460543 is about 1077.9236923118.

The spelling of 1252460543 in words is "one billion, two hundred fifty-two million, four hundred sixty thousand, five hundred forty-three".