42549485 has 16 divisors (see below), whose sum is σ = 55857600. Its totient is φ = 30858240.

The previous prime is 42549473. The next prime is 42549491. The reversal of 42549485 is 58494524.

It is not a de Polignac number, because 42549485 - 2⁴ = 42549469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23834 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (3491100).

Almost surely, 2^42549485 is an apocalyptic number.

It is an amenable number.

42549485 is a deficient number, since it is larger than the sum of its proper divisors (13308115).

42549485 is a wasteful number, since it uses less digits than its factorization.

42549485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188.

The product of its digits is 230400, while the sum is 41.

The square root of 42549485 is about 6522.9966273178. The cubic root of 42549485 is about 349.1119937890. Note that the first 3 decimals are identical.

It can be divided in two parts, 42549 and 485, that added together give a palindrome (43034).

The spelling of 42549485 in words is "forty-two million, five hundred forty-nine thousand, four hundred eighty-five".