42130549 has 8 divisors (see below), whose sum is σ = 44194752. Its totient is φ = 40085760.

The previous prime is 42130541. The next prime is 42130559. The reversal of 42130549 is 94503124.

42130549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42130549 - 2³ = 42130541 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 (42130541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307 + ... + 9184.

It is an arithmetic number, because the mean of its divisors is an integer number (5524344).

Almost surely, 2^42130549 is an apocalyptic number.

It is an amenable number.

42130549 is a deficient number, since it is larger than the sum of its proper divisors (2064203).

42130549 is a wasteful number, since it uses less digits than its factorization.

42130549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42130549 is about 6490.8049577845. The cubic root of 42130549 is about 347.9624442010.

The spelling of 42130549 in words is "forty-two million, one hundred thirty thousand, five hundred forty-nine".