42546563 has 8 divisors (see below), whose sum is σ = 45159840. Its totient is φ = 39945600.

The previous prime is 42546557. The next prime is 42546571. The reversal of 42546563 is 36564524.

It is a happy number.

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 42546563 - 2¹⁰ = 42545539 is a prime.

It is a super-2 number, since 2×42546563² = 3620420046225938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42546523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4613 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (5644980).

Almost surely, 2^42546563 is an apocalyptic number.

42546563 is a deficient number, since it is larger than the sum of its proper divisors (2613277).

42546563 is a wasteful number, since it uses less digits than its factorization.

42546563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157.

The product of its digits is 86400, while the sum is 35.

The square root of 42546563 is about 6522.7726466588. The cubic root of 42546563 is about 349.1040020856.

The spelling of 42546563 in words is "forty-two million, five hundred forty-six thousand, five hundred sixty-three".