920288653 has 2 divisors, whose sum is σ = 920288654. Its totient is φ = 920288652.

The previous prime is 920288597. The next prime is 920288729. The reversal of 920288653 is 356882029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 911919204 + 8369449 = 30198^2 + 2893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920288653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920298653) 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, 460144326 + 460144327.

It is an arithmetic number, because the mean of its divisors is an integer number (460144327).

Almost surely, 2^920288653 is an apocalyptic number.

It is an amenable number.

920288653 is a deficient number, since it is larger than the sum of its proper divisors (1).

920288653 is an equidigital number, since it uses as much as digits as its factorization.

920288653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 920288653 is about 30336.2597068261. The cubic root of 920288653 is about 972.6905332212.

The spelling of 920288653 in words is "nine hundred twenty million, two hundred eighty-eight thousand, six hundred fifty-three".