612107543 has 16 divisors (see below), whose sum is σ = 629980416. Its totient is φ = 594578880.

The previous prime is 612107527. The next prime is 612107549. The reversal of 612107543 is 345701216.

It is a cyclic number.

It is not a de Polignac number, because 612107543 - 2⁴ = 612107527 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 (612107549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626955 + ... + 2627187.

It is an arithmetic number, because the mean of its divisors is an integer number (39373776).

Almost surely, 2^612107543 is an apocalyptic number.

612107543 is a deficient number, since it is larger than the sum of its proper divisors (17872873).

612107543 is a wasteful number, since it uses less digits than its factorization.

612107543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 612107543 is about 24740.8072422870. The cubic root of 612107543 is about 849.0682028983.

Adding to 612107543 its reverse (345701216), we get a palindrome (957808759).

The spelling of 612107543 in words is "six hundred twelve million, one hundred seven thousand, five hundred forty-three".