561001014 has 48 divisors (see below), whose sum is σ = 1393191072. Its totient is φ = 159819264.

The previous prime is 561000997. The next prime is 561001039. The reversal of 561001014 is 410100165.

561001014 is a `hidden beast` number, since 561 + 0 + 0 + 101 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38172 + ... + 50784.

It is an arithmetic number, because the mean of its divisors is an integer number (29024814).

Almost surely, 2^561001014 is an apocalyptic number.

561001014 is an abundant number, since it is smaller than the sum of its proper divisors (832190058).

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

561001014 is a wasteful number, since it uses less digits than its factorization.

561001014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981 (or 12978 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 561001014 is about 23685.4599702011. The cubic root of 561001014 is about 824.7478943186.

Adding to 561001014 its reverse (410100165), we get a palindrome (971101179).

The spelling of 561001014 in words is "five hundred sixty-one million, one thousand, fourteen".