560661451 has 4 divisors (see below), whose sum is σ = 640755952. Its totient is φ = 480566952.

The previous prime is 560661419. The next prime is 560661457. The reversal of 560661451 is 154166065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 560661451 - 2⁵ = 560661419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (560661457) 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, 40047240 + ... + 40047253.

It is an arithmetic number, because the mean of its divisors is an integer number (160188988).

Almost surely, 2^560661451 is an apocalyptic number.

560661451 is a deficient number, since it is larger than the sum of its proper divisors (80094501).

560661451 is an equidigital number, since it uses as much as digits as its factorization.

560661451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80094500.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 560661451 is about 23678.2907111134. The cubic root of 560661451 is about 824.5814594489.

The spelling of 560661451 in words is "five hundred sixty million, six hundred sixty-one thousand, four hundred fifty-one".