561071652 has 12 divisors (see below), whose sum is σ = 1309167216. Its totient is φ = 187023880.

The previous prime is 561071639. The next prime is 561071657. The reversal of 561071652 is 256170165.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (561071657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23377974 + ... + 23377997.

It is an arithmetic number, because the mean of its divisors is an integer number (109097268).

Almost surely, 2^561071652 is an apocalyptic number.

It is an amenable number.

561071652 is an abundant number, since it is smaller than the sum of its proper divisors (748095564).

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

561071652 is a wasteful number, since it uses less digits than its factorization.

561071652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46755978 (or 46755976 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 561071652 is about 23686.9510912654. The cubic root of 561071652 is about 824.7825086926.

The spelling of 561071652 in words is "five hundred sixty-one million, seventy-one thousand, six hundred fifty-two".