1020764653 has 2 divisors, whose sum is σ = 1020764654. Its totient is φ = 1020764652.

The previous prime is 1020764639. The next prime is 1020764687. The reversal of 1020764653 is 3564670201.

It is a happy number.

It is an a-pointer prime, because the next prime (1020764687) can be obtained adding 1020764653 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744307524 + 276457129 = 27282^2 + 16627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020764653 - 2¹³ = 1020756461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020764053) 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, 510382326 + 510382327.

It is an arithmetic number, because the mean of its divisors is an integer number (510382327).

Almost surely, 2^1020764653 is an apocalyptic number.

It is an amenable number.

1020764653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020764653 is an equidigital number, since it uses as much as digits as its factorization.

1020764653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1020764653 is about 31949.4077096900. The cubic root of 1020764653 is about 1006.8741882571.

The spelling of 1020764653 in words is "one billion, twenty million, seven hundred sixty-four thousand, six hundred fifty-three".