42284527 has 4 divisors (see below), whose sum is σ = 43648576. Its totient is φ = 40920480.

The previous prime is 42284521. The next prime is 42284549. The reversal of 42284527 is 72548224.

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

It is a cyclic number.

It is not a de Polignac number, because 42284527 - 2¹¹ = 42282479 is a prime.

It is a super-2 number, since 2×42284527² = 3575962447227458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42284492 and 42284501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42284521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681978 + ... + 682039.

It is an arithmetic number, because the mean of its divisors is an integer number (10912144).

Almost surely, 2^42284527 is an apocalyptic number.

42284527 is a deficient number, since it is larger than the sum of its proper divisors (1364049).

42284527 is a wasteful number, since it uses less digits than its factorization.

42284527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364048.

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

The square root of 42284527 is about 6502.6553806887. The cubic root of 42284527 is about 348.3858378512.

The spelling of 42284527 in words is "forty-two million, two hundred eighty-four thousand, five hundred twenty-seven".