42565101 has 8 divisors (see below), whose sum is σ = 56802240. Its totient is φ = 28352352.

The previous prime is 42565091. The next prime is 42565109. The reversal of 42565101 is 10156524.

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

It is not a de Polignac number, because 42565101 - 2¹⁰ = 42564077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42565109) 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, 1536 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (7100280).

Almost surely, 2^42565101 is an apocalyptic number.

It is an amenable number.

42565101 is a deficient number, since it is larger than the sum of its proper divisors (14237139).

42565101 is a wasteful number, since it uses less digits than its factorization.

42565101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 42565101 is about 6524.1935133777. The cubic root of 42565101 is about 349.1546975263.

The spelling of 42565101 in words is "forty-two million, five hundred sixty-five thousand, one hundred one".