410125561 has 8 divisors (see below), whose sum is σ = 434496744. Its totient is φ = 385781760.

The previous prime is 410125523. The next prime is 410125571. The reversal of 410125561 is 165521014.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 194769936 + 215355625 = 13956^2 + 14675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 410125561 - 2⁷ = 410125433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (410125571) 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, 29581 + ... + 41173.

It is an arithmetic number, because the mean of its divisors is an integer number (54312093).

Almost surely, 2^410125561 is an apocalyptic number.

It is an amenable number.

410125561 is a deficient number, since it is larger than the sum of its proper divisors (24371183).

410125561 is a wasteful number, since it uses less digits than its factorization.

410125561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 410125561 is about 20251.5570018703. The cubic root of 410125561 is about 742.9717127866.

Adding to 410125561 its reverse (165521014), we get a palindrome (575646575).

The spelling of 410125561 in words is "four hundred ten million, one hundred twenty-five thousand, five hundred sixty-one".