1045651 has 2 divisors, whose sum is σ = 1045652. Its totient is φ = 1045650.

The previous prime is 1045643. The next prime is 1045663. The reversal of 1045651 is 1565401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045651 - 2³ = 1045643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522825 + 522826.

It is an arithmetic number, because the mean of its divisors is an integer number (522826).

2^1045651 is an apocalyptic number.

1045651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045651 is an equidigital number, since it uses as much as digits as its factorization.

1045651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1045651 is about 1022.5707799463. The cubic root of 1045651 is about 101.4991142634.

The spelling of 1045651 in words is "one million, forty-five thousand, six hundred fifty-one".