42425827 has 2 divisors, whose sum is σ = 42425828. Its totient is φ = 42425826.

The previous prime is 42425809. The next prime is 42425833. The reversal of 42425827 is 72852424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42425827 - 2¹⁹ = 41901539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42425792 and 42425801.

It is not a weakly prime, because it can be changed into another prime (42425627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212913 + 21212914.

It is an arithmetic number, because the mean of its divisors is an integer number (21212914).

Almost surely, 2^42425827 is an apocalyptic number.

42425827 is a deficient number, since it is larger than the sum of its proper divisors (1).

42425827 is an equidigital number, since it uses as much as digits as its factorization.

42425827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 34.

The square root of 42425827 is about 6513.5111115281. The cubic root of 42425827 is about 348.7734673297.

The spelling of 42425827 in words is "forty-two million, four hundred twenty-five thousand, eight hundred twenty-seven".