42562261 has 12 divisors (see below), whose sum is σ = 51340512. Its totient is φ = 34559784.

The previous prime is 42562243. The next prime is 42562279. The reversal of 42562261 is 16226524.

42562261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42562243) and next prime (42562279).

It is not a de Polignac number, because 42562261 - 2⁷ = 42562133 is a prime.

It is a super-2 number, since 2×42562261² = 3623092122864242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42562361) 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 11 ways as a sum of consecutive naturals, for example, 5895 + ... + 10948.

It is an arithmetic number, because the mean of its divisors is an integer number (4278376).

Almost surely, 2^42562261 is an apocalyptic number.

It is an amenable number.

42562261 is a deficient number, since it is larger than the sum of its proper divisors (8778251).

42562261 is a wasteful number, since it uses less digits than its factorization.

42562261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888 (or 16869 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 42562261 is about 6523.9758583244. The cubic root of 42562261 is about 349.1469319987.

Adding to 42562261 its reverse (16226524), we get a palindrome (58788785).

The spelling of 42562261 in words is "forty-two million, five hundred sixty-two thousand, two hundred sixty-one".