4042567 has 4 divisors (see below), whose sum is σ = 4080456. Its totient is φ = 4004680.

The previous prime is 4042561. The next prime is 4042601. The reversal of 4042567 is 7652404.

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 4042567 - 2¹⁵ = 4009799 is a prime.

It is a super-4 number, since 4×4042567⁴ (a number of 28 digits) contains 4444 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 (4042561) 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, 18784 + ... + 18997.

It is an arithmetic number, because the mean of its divisors is an integer number (1020114).

Almost surely, 2^4042567 is an apocalyptic number.

4042567 is a deficient number, since it is larger than the sum of its proper divisors (37889).

4042567 is a wasteful number, since it uses less digits than its factorization.

4042567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37888.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4042567 is about 2010.6135879378. The cubic root of 4042567 is about 159.3012103368.

The spelling of 4042567 in words is "four million, forty-two thousand, five hundred sixty-seven".