42915097 has 2 divisors, whose sum is σ = 42915098. Its totient is φ = 42915096.

The previous prime is 42915083. The next prime is 42915109. The reversal of 42915097 is 79051924.

42915097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37015056 + 5900041 = 6084^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 42915097 - 2²³ = 34526489 is a prime.

It is not a weakly prime, because it can be changed into another prime (42915017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21457548 + 21457549.

It is an arithmetic number, because the mean of its divisors is an integer number (21457549).

Almost surely, 2^42915097 is an apocalyptic number.

It is an amenable number.

42915097 is a deficient number, since it is larger than the sum of its proper divisors (1).

42915097 is an equidigital number, since it uses as much as digits as its factorization.

42915097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 42915097 is about 6550.9615324775. The cubic root of 42915097 is about 350.1090734880.

The spelling of 42915097 in words is "forty-two million, nine hundred fifteen thousand, ninety-seven".