42541457 has 12 divisors (see below), whose sum is σ = 50423796. Its totient is φ = 35773920.

The previous prime is 42541441. The next prime is 42541459. The reversal of 42541457 is 75414524.

It can be written as a sum of positive squares in 2 ways, for example, as 10233601 + 32307856 = 3199^2 + 5684^2 .

It is not a de Polignac number, because 42541457 - 2⁴ = 42541441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42541459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5594 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (4201983).

Almost surely, 2^42541457 is an apocalyptic number.

It is an amenable number.

42541457 is a deficient number, since it is larger than the sum of its proper divisors (7882339).

42541457 is a wasteful number, since it uses less digits than its factorization.

42541457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16448 (or 16441 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 42541457 is about 6522.3812369410. The cubic root of 42541457 is about 349.0900362387.

The spelling of 42541457 in words is "forty-two million, five hundred forty-one thousand, four hundred fifty-seven".