42508549 has 4 divisors (see below), whose sum is σ = 42630700. Its totient is φ = 42386748.

The previous prime is 42508537. The next prime is 42508559. The reversal of 42508549 is 94580524.

The cubic root of 42508549 is 349.

It is a perfect power (a cube), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 20088324 + 22420225 = 4482^2 + 4735^2 .

It is not a de Polignac number, because 42508549 - 2⁷ = 42508421 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 (42508559) 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, 121627 + ... + 121975.

It is an arithmetic number, because the mean of its divisors is an integer number (10657675).

Almost surely, 2^42508549 is an apocalyptic number.

It is an amenable number.

42508549 is a deficient number, since it is larger than the sum of its proper divisors (122151).

42508549 is an frugal number, since it uses more digits than its factorization.

42508549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 42508549 is about 6519.8580506020.

The spelling of 42508549 in words is "forty-two million, five hundred eight thousand, five hundred forty-nine".