905653201 has 2 divisors, whose sum is σ = 905653202. Its totient is φ = 905653200.

The previous prime is 905653187. The next prime is 905653211. The reversal of 905653201 is 102356509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883516176 + 22137025 = 29724^2 + 4705^2 .

It is a cyclic number.

It is not a de Polignac number, because 905653201 - 2⁵ = 905653169 is a prime.

It is not a weakly prime, because it can be changed into another prime (905653211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452826600 + 452826601.

It is an arithmetic number, because the mean of its divisors is an integer number (452826601).

Almost surely, 2^905653201 is an apocalyptic number.

It is an amenable number.

905653201 is a deficient number, since it is larger than the sum of its proper divisors (1).

905653201 is an equidigital number, since it uses as much as digits as its factorization.

905653201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 905653201 is about 30094.0725226746. The cubic root of 905653201 is about 967.5066872745.

The spelling of 905653201 in words is "nine hundred five million, six hundred fifty-three thousand, two hundred one".