42862549 has 4 divisors (see below), whose sum is σ = 42977836. Its totient is φ = 42747264.

The previous prime is 42862541. The next prime is 42862577. The reversal of 42862549 is 94526824.

42862549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19272100 + 23590449 = 4390^2 + 4857^2 .

It is a cyclic number.

It is not a de Polignac number, because 42862549 - 2³ = 42862541 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 (42862541) 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 3 ways as a sum of consecutive naturals, for example, 57084 + ... + 57829.

It is an arithmetic number, because the mean of its divisors is an integer number (10744459).

Almost surely, 2^42862549 is an apocalyptic number.

It is an amenable number.

42862549 is a deficient number, since it is larger than the sum of its proper divisors (115287).

42862549 is a wasteful number, since it uses less digits than its factorization.

42862549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115286.

The product of its digits is 138240, while the sum is 40.

The square root of 42862549 is about 6546.9495950404. The cubic root of 42862549 is about 349.9661164477.

The spelling of 42862549 in words is "forty-two million, eight hundred sixty-two thousand, five hundred forty-nine".