42051567 has 8 divisors (see below), whose sum is σ = 58506624. Its totient is φ = 26815448.

The previous prime is 42051551. The next prime is 42051587. The reversal of 42051567 is 76515024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42051567 - 2⁴ = 42051551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304653 + ... + 304790.

It is an arithmetic number, because the mean of its divisors is an integer number (7313328).

Almost surely, 2^42051567 is an apocalyptic number.

42051567 is a deficient number, since it is larger than the sum of its proper divisors (16455057).

42051567 is a wasteful number, since it uses less digits than its factorization.

42051567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609469.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 42051567 is about 6484.7179584003. The cubic root of 42051567 is about 347.7448668351.

The spelling of 42051567 in words is "forty-two million, fifty-one thousand, five hundred sixty-seven".