42560671 has 4 divisors (see below), whose sum is σ = 42580512. Its totient is φ = 42540832.

The previous prime is 42560663. The next prime is 42560677. The reversal of 42560671 is 17606524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42560671 - 2³ = 42560663 is a prime.

It is a super-2 number, since 2×42560671² = 3622821431940482, 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 (42560677) 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, 6250 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (10645128).

Almost surely, 2^42560671 is an apocalyptic number.

42560671 is a deficient number, since it is larger than the sum of its proper divisors (19841).

42560671 is a wasteful number, since it uses less digits than its factorization.

42560671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19840.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42560671 is about 6523.8539989794. The cubic root of 42560671 is about 349.1425842462.

The spelling of 42560671 in words is "forty-two million, five hundred sixty thousand, six hundred seventy-one".