651068477 has 2 divisors, whose sum is σ = 651068478. Its totient is φ = 651068476.

The previous prime is 651068449. The next prime is 651068491. The reversal of 651068477 is 774860156.

651068477 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., 437060836 + 214007641 = 20906^2 + 14629^2 .

It is a cyclic number.

It is not a de Polignac number, because 651068477 - 2⁸ = 651068221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651068447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325534238 + 325534239.

It is an arithmetic number, because the mean of its divisors is an integer number (325534239).

Almost surely, 2^651068477 is an apocalyptic number.

It is an amenable number.

651068477 is a deficient number, since it is larger than the sum of its proper divisors (1).

651068477 is an equidigital number, since it uses as much as digits as its factorization.

651068477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 651068477 is about 25516.0435216748. The cubic root of 651068477 is about 866.7134898930.

The spelling of 651068477 in words is "six hundred fifty-one million, sixty-eight thousand, four hundred seventy-seven".