42394241 has 4 divisors (see below), whose sum is σ = 42514692. Its totient is φ = 42273792.

The previous prime is 42394237. The next prime is 42394283. The reversal of 42394241 is 14249324.

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 8288641 + 34105600 = 2879^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 42394241 - 2² = 42394237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42394211) 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, 59696 + ... + 60401.

It is an arithmetic number, because the mean of its divisors is an integer number (10628673).

Almost surely, 2^42394241 is an apocalyptic number.

It is an amenable number.

42394241 is a deficient number, since it is larger than the sum of its proper divisors (120451).

42394241 is a wasteful number, since it uses less digits than its factorization.

42394241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120450.

The product of its digits is 6912, while the sum is 29.

The square root of 42394241 is about 6511.0860077256. The cubic root of 42394241 is about 348.6868919695.

The spelling of 42394241 in words is "forty-two million, three hundred ninety-four thousand, two hundred forty-one".