1067551 has 2 divisors, whose sum is σ = 1067552. Its totient is φ = 1067550.

The previous prime is 1067537. The next prime is 1067557. The reversal of 1067551 is 1557601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1067551 - 2¹¹ = 1065503 is a prime.

It is a super-2 number, since 2×1067551² = 2279330275202, which contains 22 as substring.

It is an Ulam number.

1067551 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533775 + 533776.

It is an arithmetic number, because the mean of its divisors is an integer number (533776).

2^1067551 is an apocalyptic number.

1067551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067551 is an equidigital number, since it uses as much as digits as its factorization.

1067551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1067551 is about 1033.2235963237. The cubic root of 1067551 is about 102.2028195601.

Adding to 1067551 its product of nonzero digits (1050), we get a palindrome (1068601).

The spelling of 1067551 in words is "one million, sixty-seven thousand, five hundred fifty-one".