42052643 has 8 divisors (see below), whose sum is σ = 44587200. Its totient is φ = 39550248.

The previous prime is 42052627. The next prime is 42052651. The reversal of 42052643 is 34625024.

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

It is not a de Polignac number, because 42052643 - 2⁴ = 42052627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42052613) 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, 5321 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (5573400).

Almost surely, 2^42052643 is an apocalyptic number.

42052643 is a deficient number, since it is larger than the sum of its proper divisors (2534557).

42052643 is a wasteful number, since it uses less digits than its factorization.

42052643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42052643 is about 6484.8009221564. The cubic root of 42052643 is about 347.7478327990.

Adding to 42052643 its reverse (34625024), we get a palindrome (76677667).

The spelling of 42052643 in words is "forty-two million, fifty-two thousand, six hundred forty-three".