42841573 has 2 divisors, whose sum is σ = 42841574. Its totient is φ = 42841572.

The previous prime is 42841553. The next prime is 42841619. The reversal of 42841573 is 37514824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 5166529 = 6138^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 42841573 - 2²⁵ = 9287141 is a prime.

It is a super-2 number, since 2×42841573² = 3670800754228658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42841553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21420786 + 21420787.

It is an arithmetic number, because the mean of its divisors is an integer number (21420787).

Almost surely, 2^42841573 is an apocalyptic number.

It is an amenable number.

42841573 is a deficient number, since it is larger than the sum of its proper divisors (1).

42841573 is an equidigital number, since it uses as much as digits as its factorization.

42841573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 42841573 is about 6545.3474315731. The cubic root of 42841573 is about 349.9090185286.

The spelling of 42841573 in words is "forty-two million, eight hundred forty-one thousand, five hundred seventy-three".