1047551 has 2 divisors, whose sum is σ = 1047552. Its totient is φ = 1047550.

The previous prime is 1047539. The next prime is 1047559. The reversal of 1047551 is 1557401.

1047551 is nontrivially palindromic in base 16.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1047551 - 2¹⁰ = 1046527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047559) 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, 523775 + 523776.

It is an arithmetic number, because the mean of its divisors is an integer number (523776).

2^1047551 is an apocalyptic number.

1047551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047551 is an equidigital number, since it uses as much as digits as its factorization.

1047551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1047551 is about 1023.4993893501. The cubic root of 1047551 is about 101.5605533828.

The spelling of 1047551 in words is "one million, forty-seven thousand, five hundred fifty-one".