561058148 has 12 divisors (see below), whose sum is σ = 1122116352. Its totient is φ = 240453480.

The previous prime is 561058111. The next prime is 561058151. The reversal of 561058148 is 841850165.

561058148 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 10018868 + ... + 10018923.

It is an arithmetic number, because the mean of its divisors is an integer number (93509696).

Almost surely, 2^561058148 is an apocalyptic number.

It is an amenable number.

561058148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561058148 is a wasteful number, since it uses less digits than its factorization.

561058148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20037802 (or 20037800 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 561058148 is about 23686.6660380899. Note that the first 3 decimals coincide. The cubic root of 561058148 is about 824.7758916219.

The spelling of 561058148 in words is "five hundred sixty-one million, fifty-eight thousand, one hundred forty-eight".