42584019 has 4 divisors (see below), whose sum is σ = 56778696. Its totient is φ = 28389344.

The previous prime is 42583991. The next prime is 42584057. The reversal of 42584019 is 91048524.

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 42584019 - 2¹¹ = 42581971 is a prime.

It is a super-2 number, since 2×42584019² = 3626797348384722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42584419) 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, 7097334 + ... + 7097339.

It is an arithmetic number, because the mean of its divisors is an integer number (14194674).

Almost surely, 2^42584019 is an apocalyptic number.

42584019 is a deficient number, since it is larger than the sum of its proper divisors (14194677).

42584019 is a wasteful number, since it uses less digits than its factorization.

42584019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14194676.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42584019 is about 6525.6431866905. The cubic root of 42584019 is about 349.2064169716.

The spelling of 42584019 in words is "forty-two million, five hundred eighty-four thousand, nineteen".