906479257 has 2 divisors, whose sum is σ = 906479258. Its totient is φ = 906479256.

The previous prime is 906479237. The next prime is 906479261. The reversal of 906479257 is 752974609.

906479257 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., 789385216 + 117094041 = 28096^2 + 10821^2 .

It is a cyclic number.

It is not a de Polignac number, because 906479257 - 2²³ = 898090649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 906479257.

It is not a weakly prime, because it can be changed into another prime (906479237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453239628 + 453239629.

It is an arithmetic number, because the mean of its divisors is an integer number (453239629).

Almost surely, 2^906479257 is an apocalyptic number.

It is an amenable number.

906479257 is a deficient number, since it is larger than the sum of its proper divisors (1).

906479257 is an equidigital number, since it uses as much as digits as its factorization.

906479257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 906479257 is about 30107.7939577113. The cubic root of 906479257 is about 967.8007556277.

The spelling of 906479257 in words is "nine hundred six million, four hundred seventy-nine thousand, two hundred fifty-seven".