42562161 has 12 divisors (see below), whose sum is σ = 61536592. Its totient is φ = 28348056.

The previous prime is 42562133. The next prime is 42562193. The reversal of 42562161 is 16126524.

42562161 is a `hidden beast` number, since 42 + 562 + 1 + 61 = 666.

It is not a de Polignac number, because 42562161 - 2⁵ = 42562129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42562361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14370 + ... + 17076.

Almost surely, 2^42562161 is an apocalyptic number.

It is an amenable number.

42562161 is a deficient number, since it is larger than the sum of its proper divisors (18974431).

42562161 is a wasteful number, since it uses less digits than its factorization.

42562161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4457 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42562161 is about 6523.9681942818. The cubic root of 42562161 is about 349.1466585584.

Adding to 42562161 its reverse (16126524), we get a palindrome (58688685).

The spelling of 42562161 in words is "forty-two million, five hundred sixty-two thousand, one hundred sixty-one".