1254524543 has 16 divisors (see below), whose sum is σ = 1310515200. Its totient is φ = 1199449440.

The previous prime is 1254524539. The next prime is 1254524561. The reversal of 1254524543 is 3454254521.

It is a cyclic number.

It is not a de Polignac number, because 1254524543 - 2² = 1254524539 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 (1254524563) 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 15 ways as a sum of consecutive naturals, for example, 1987838 + ... + 1988468.

It is an arithmetic number, because the mean of its divisors is an integer number (81907200).

Almost surely, 2^1254524543 is an apocalyptic number.

1254524543 is a deficient number, since it is larger than the sum of its proper divisors (55990657).

1254524543 is a wasteful number, since it uses less digits than its factorization.

1254524543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 96000, while the sum is 35.

The square root of 1254524543 is about 35419.2679625088. The cubic root of 1254524543 is about 1078.5154909883.

The spelling of 1254524543 in words is "one billion, two hundred fifty-four million, five hundred twenty-four thousand, five hundred forty-three".