42853561 has 8 divisors (see below), whose sum is σ = 44654400. Its totient is φ = 41074320.

The previous prime is 42853523. The next prime is 42853567. The reversal of 42853561 is 16535824.

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 42853561 - 2²¹ = 40756409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42853567) 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, 1285 + ... + 9346.

It is an arithmetic number, because the mean of its divisors is an integer number (5581800).

Almost surely, 2^42853561 is an apocalyptic number.

It is an amenable number.

42853561 is a deficient number, since it is larger than the sum of its proper divisors (1800839).

42853561 is a wasteful number, since it uses less digits than its factorization.

42853561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10799.

The product of its digits is 28800, while the sum is 34.

The square root of 42853561 is about 6546.2631325054. The cubic root of 42853561 is about 349.9416528587.

The spelling of 42853561 in words is "forty-two million, eight hundred fifty-three thousand, five hundred sixty-one".