42500543 has 8 divisors (see below), whose sum is σ = 43022688. Its totient is φ = 41981184.

The previous prime is 42500539. The next prime is 42500567. The reversal of 42500543 is 34500524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42500543 - 2² = 42500539 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 (42500503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51230 + ... + 52052.

It is an arithmetic number, because the mean of its divisors is an integer number (5377836).

Almost surely, 2^42500543 is an apocalyptic number.

42500543 is a deficient number, since it is larger than the sum of its proper divisors (522145).

42500543 is a wasteful number, since it uses less digits than its factorization.

42500543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42500543 is about 6519.2440512685. The cubic root of 42500543 is about 348.9780885689.

The spelling of 42500543 in words is "forty-two million, five hundred thousand, five hundred forty-three".