42258487 has 8 divisors (see below), whose sum is σ = 43731072. Its totient is φ = 40792800.

The previous prime is 42258479. The next prime is 42258509. The reversal of 42258487 is 78485224.

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 42258487 - 2³ = 42258479 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 (42258427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12813 + ... + 15769.

It is an arithmetic number, because the mean of its divisors is an integer number (5466384).

Almost surely, 2^42258487 is an apocalyptic number.

42258487 is a deficient number, since it is larger than the sum of its proper divisors (1472585).

42258487 is a wasteful number, since it uses less digits than its factorization.

42258487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its digits is 143360, while the sum is 40.

The square root of 42258487 is about 6500.6528133719. The cubic root of 42258487 is about 348.3143079027.

The spelling of 42258487 in words is "forty-two million, two hundred fifty-eight thousand, four hundred eighty-seven".