1002647953 has 2 divisors, whose sum is σ = 1002647954. Its totient is φ = 1002647952.

The previous prime is 1002647929. The next prime is 1002647963. The reversal of 1002647953 is 3597462001.

1002647953 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., 881911809 + 120736144 = 29697^2 + 10988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002647953 - 2¹⁷ = 1002516881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002647963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501323976 + 501323977.

It is an arithmetic number, because the mean of its divisors is an integer number (501323977).

Almost surely, 2^1002647953 is an apocalyptic number.

It is an amenable number.

1002647953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002647953 is an equidigital number, since it uses as much as digits as its factorization.

1002647953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1002647953 is about 31664.6167354036. The cubic root of 1002647953 is about 1000.8818730713.

The spelling of 1002647953 in words is "one billion, two million, six hundred forty-seven thousand, nine hundred fifty-three".