42366261 has 16 divisors (see below), whose sum is σ = 68356224. Its totient is φ = 22785024.

The previous prime is 42366211. The next prime is 42366263. The reversal of 42366261 is 16266324.

42366261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42366261 - 2¹¹ = 42364213 is a prime.

It is a super-2 number, since 2×42366261² = 3589800142240242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42366263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58980 + ... + 59693.

It is an arithmetic number, because the mean of its divisors is an integer number (4272264).

Almost surely, 2^42366261 is an apocalyptic number.

It is an amenable number.

42366261 is a deficient number, since it is larger than the sum of its proper divisors (25989963).

42366261 is a wasteful number, since it uses less digits than its factorization.

42366261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118700.

The product of its digits is 10368, while the sum is 30.

The square root of 42366261 is about 6508.9370099887. The cubic root of 42366261 is about 348.6101645166.

The spelling of 42366261 in words is "forty-two million, three hundred sixty-six thousand, two hundred sixty-one".