905306273 has 2 divisors, whose sum is σ = 905306274. Its totient is φ = 905306272.

The previous prime is 905306257. The next prime is 905306279. The reversal of 905306273 is 372603509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 831053584 + 74252689 = 28828^2 + 8617^2 .

It is a cyclic number.

It is not a de Polignac number, because 905306273 - 2⁴ = 905306257 is a prime.

It is not a weakly prime, because it can be changed into another prime (905306279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452653136 + 452653137.

It is an arithmetic number, because the mean of its divisors is an integer number (452653137).

Almost surely, 2^905306273 is an apocalyptic number.

It is an amenable number.

905306273 is a deficient number, since it is larger than the sum of its proper divisors (1).

905306273 is an equidigital number, since it uses as much as digits as its factorization.

905306273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 905306273 is about 30088.3079118783. The cubic root of 905306273 is about 967.3831307709.

The spelling of 905306273 in words is "nine hundred five million, three hundred six thousand, two hundred seventy-three".