1006560551 has 4 divisors (see below), whose sum is σ = 1007069112. Its totient is φ = 1006051992.

The previous prime is 1006560547. The next prime is 1006560571. The reversal of 1006560551 is 1550656001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1550656001 = 163 ⋅9513227.

It is a cyclic number.

It is not a de Polignac number, because 1006560551 - 2² = 1006560547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006560521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251300 + ... + 255273.

It is an arithmetic number, because the mean of its divisors is an integer number (251767278).

Almost surely, 2^1006560551 is an apocalyptic number.

1006560551 is a deficient number, since it is larger than the sum of its proper divisors (508561).

1006560551 is an equidigital number, since it uses as much as digits as its factorization.

1006560551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508560.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1006560551 is about 31726.3384430035. The cubic root of 1006560551 is about 1002.1820853734.

The spelling of 1006560551 in words is "one billion, six million, five hundred sixty thousand, five hundred fifty-one".