1045866953 has 2 divisors, whose sum is σ = 1045866954. Its totient is φ = 1045866952.

The previous prime is 1045866949. The next prime is 1045866973. The reversal of 1045866953 is 3596685401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527712784 + 518154169 = 22972^2 + 22763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045866953 - 2² = 1045866949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045866898 and 1045866907.

It is not a weakly prime, because it can be changed into another prime (1045866973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522933476 + 522933477.

It is an arithmetic number, because the mean of its divisors is an integer number (522933477).

Almost surely, 2^1045866953 is an apocalyptic number.

It is an amenable number.

1045866953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045866953 is an equidigital number, since it uses as much as digits as its factorization.

1045866953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 1045866953 is about 32339.8663107936. The cubic root of 1045866953 is about 1015.0610114829.

The spelling of 1045866953 in words is "one billion, forty-five million, eight hundred sixty-six thousand, nine hundred fifty-three".