42375547 has 2 divisors, whose sum is σ = 42375548. Its totient is φ = 42375546.

The previous prime is 42375527. The next prime is 42375559. The reversal of 42375547 is 74557324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42375547 - 2¹⁹ = 41851259 is a prime.

It is not a weakly prime, because it can be changed into another prime (42375527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187773 + 21187774.

It is an arithmetic number, because the mean of its divisors is an integer number (21187774).

Almost surely, 2^42375547 is an apocalyptic number.

42375547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42375547 is an equidigital number, since it uses as much as digits as its factorization.

42375547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 37.

The square root of 42375547 is about 6509.6502978271. The cubic root of 42375547 is about 348.6356325615.

The spelling of 42375547 in words is "forty-two million, three hundred seventy-five thousand, five hundred forty-seven".