561002125 has 32 divisors (see below), whose sum is σ = 745220736. Its totient is φ = 420179200.

The previous prime is 561002077. The next prime is 561002137. The reversal of 561002125 is 521200165.

It is not a de Polignac number, because 561002125 - 2⁷ = 561001997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561002096 and 561002105.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 481794 + ... + 482956.

It is an arithmetic number, because the mean of its divisors is an integer number (23288148).

Almost surely, 2^561002125 is an apocalyptic number.

It is an amenable number.

561002125 is a deficient number, since it is larger than the sum of its proper divisors (184218611).

561002125 is a wasteful number, since it uses less digits than its factorization.

561002125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 561002125 is about 23685.4834233967. The cubic root of 561002125 is about 824.7484387587.

The spelling of 561002125 in words is "five hundred sixty-one million, two thousand, one hundred twenty-five".