42366101 has 4 divisors (see below), whose sum is σ = 42381804. Its totient is φ = 42350400.

The previous prime is 42366097. The next prime is 42366109. The reversal of 42366101 is 10166324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9579025 + 32787076 = 3095^2 + 5726^2 .

It is a cyclic number.

It is not a de Polignac number, because 42366101 - 2² = 42366097 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 (42366109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (10595451).

Almost surely, 2^42366101 is an apocalyptic number.

It is an amenable number.

42366101 is a deficient number, since it is larger than the sum of its proper divisors (15703).

42366101 is a wasteful number, since it uses less digits than its factorization.

42366101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42366101 is about 6508.9247191837. The cubic root of 42366101 is about 348.6097256635.

The spelling of 42366101 in words is "forty-two million, three hundred sixty-six thousand, one hundred one".