42266543 has 16 divisors (see below), whose sum is σ = 49001760. Its totient is φ = 36086400.

The previous prime is 42266537. The next prime is 42266551. The reversal of 42266543 is 34566224.

It is a cyclic number.

It is not a de Polignac number, because 42266543 - 2¹⁶ = 42201007 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 (42266533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10013 + ... + 13593.

It is an arithmetic number, because the mean of its divisors is an integer number (3062610).

Almost surely, 2^42266543 is an apocalyptic number.

42266543 is a deficient number, since it is larger than the sum of its proper divisors (6735217).

42266543 is a wasteful number, since it uses less digits than its factorization.

42266543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658.

The product of its digits is 34560, while the sum is 32.

The square root of 42266543 is about 6501.2724139202. The cubic root of 42266543 is about 348.3364402756.

The spelling of 42266543 in words is "forty-two million, two hundred sixty-six thousand, five hundred forty-three".