42532771 has 2 divisors, whose sum is σ = 42532772. Its totient is φ = 42532770.

The previous prime is 42532757. The next prime is 42532807. The reversal of 42532771 is 17723524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42532771 - 2¹³ = 42524579 is a prime.

It is not a weakly prime, because it can be changed into another prime (42532741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266385 + 21266386.

It is an arithmetic number, because the mean of its divisors is an integer number (21266386).

Almost surely, 2^42532771 is an apocalyptic number.

42532771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42532771 is an equidigital number, since it uses as much as digits as its factorization.

42532771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 42532771 is about 6521.7153418407. The cubic root of 42532771 is about 349.0662758674.

The spelling of 42532771 in words is "forty-two million, five hundred thirty-two thousand, seven hundred seventy-one".