42266601 has 24 divisors (see below), whose sum is σ = 68020680. Its totient is φ = 25111296.

The previous prime is 42266593. The next prime is 42266611. The reversal of 42266601 is 10666224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5978025 + 36288576 = 2445^2 + 6024^2 .

It is not a de Polignac number, because 42266601 - 2³ = 42266593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42266611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2836 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (2834195).

Almost surely, 2^42266601 is an apocalyptic number.

It is an amenable number.

42266601 is a deficient number, since it is larger than the sum of its proper divisors (25754079).

42266601 is a wasteful number, since it uses less digits than its factorization.

42266601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12505 (or 12502 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42266601 is about 6501.2768745839. The cubic root of 42266601 is about 348.3365996097.

The spelling of 42266601 in words is "forty-two million, two hundred sixty-six thousand, six hundred one".