42425167 has 4 divisors (see below), whose sum is σ = 42450696. Its totient is φ = 42399640.

The previous prime is 42425147. The next prime is 42425171. The reversal of 42425167 is 76152424.

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 42425167 - 2⁷ = 42425039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425147) 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, 10084 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (10612674).

Almost surely, 2^42425167 is an apocalyptic number.

42425167 is a deficient number, since it is larger than the sum of its proper divisors (25529).

42425167 is a wasteful number, since it uses less digits than its factorization.

42425167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528.

The product of its digits is 13440, while the sum is 31.

The square root of 42425167 is about 6513.4604474120. The cubic root of 42425167 is about 348.7716587483.

It can be divided in two parts, 4242 and 5167, that added together give a square (9409 = 97²).

The spelling of 42425167 in words is "forty-two million, four hundred twenty-five thousand, one hundred sixty-seven".