561314320 has 40 divisors (see below), whose sum is σ = 1491493824. Its totient is φ = 192450432.

The previous prime is 561314311. The next prime is 561314329. The reversal of 561314320 is 23413165.

It is an interprime number because it is at equal distance from previous prime (561314311) and next prime (561314329).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (561314329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500614 + ... + 501733.

Almost surely, 2^561314320 is an apocalyptic number.

It is an amenable number.

561314320 is an abundant number, since it is smaller than the sum of its proper divisors (930179504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561314320 is a wasteful number, since it uses less digits than its factorization.

561314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002367 (or 1002361 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 561314320 is about 23692.0729358999. The cubic root of 561314320 is about 824.9013999089.

Adding to 561314320 its reverse (23413165), we get a palindrome (584727485).

The spelling of 561314320 in words is "five hundred sixty-one million, three hundred fourteen thousand, three hundred twenty".