42882893 has 2 divisors, whose sum is σ = 42882894. Its totient is φ = 42882892.

The previous prime is 42882877. The next prime is 42882899. The reversal of 42882893 is 39828824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 3104644 = 6307^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 42882893 - 2⁴ = 42882877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42882899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21441446 + 21441447.

It is an arithmetic number, because the mean of its divisors is an integer number (21441447).

Almost surely, 2^42882893 is an apocalyptic number.

It is an amenable number.

42882893 is a deficient number, since it is larger than the sum of its proper divisors (1).

42882893 is an equidigital number, since it uses as much as digits as its factorization.

42882893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 42882893 is about 6548.5031113988. The cubic root of 42882893 is about 350.0214762332.

The spelling of 42882893 in words is "forty-two million, eight hundred eighty-two thousand, eight hundred ninety-three".