1056600561 has 8 divisors (see below), whose sum is σ = 1438775424. Its totient is φ = 689413040.

The previous prime is 1056600553. The next prime is 1056600569. The reversal of 1056600561 is 1650066501.

It is an interprime number because it is at equal distance from previous prime (1056600553) and next prime (1056600569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056600561 - 2³ = 1056600553 is a prime.

It is a super-2 number, since 2×1056600561² = 2232809491011029442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056600569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746670 + ... + 3746951.

It is an arithmetic number, because the mean of its divisors is an integer number (179846928).

Almost surely, 2^1056600561 is an apocalyptic number.

It is an amenable number.

1056600561 is a deficient number, since it is larger than the sum of its proper divisors (382174863).

1056600561 is an equidigital number, since it uses as much as digits as its factorization.

1056600561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493671.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1056600561 is about 32505.3927987342. The cubic root of 1056600561 is about 1018.5216829558.

The spelling of 1056600561 in words is "one billion, fifty-six million, six hundred thousand, five hundred sixty-one".