920654551 has 2 divisors, whose sum is σ = 920654552. Its totient is φ = 920654550.

The previous prime is 920654521. The next prime is 920654599. The reversal of 920654551 is 155456029.

920654551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920654551 - 2¹³ = 920646359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920654551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920654521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460327275 + 460327276.

It is an arithmetic number, because the mean of its divisors is an integer number (460327276).

Almost surely, 2^920654551 is an apocalyptic number.

920654551 is a deficient number, since it is larger than the sum of its proper divisors (1).

920654551 is an equidigital number, since it uses as much as digits as its factorization.

920654551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 920654551 is about 30342.2898114167. The cubic root of 920654551 is about 972.8194269698.

The spelling of 920654551 in words is "nine hundred twenty million, six hundred fifty-four thousand, five hundred fifty-one".