561411461 has 8 divisors (see below), whose sum is σ = 605197824. Its totient is φ = 517710960.

The previous prime is 561411443. The next prime is 561411479. The reversal of 561411461 is 164114165.

It is a happy number.

561411461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (561411443) and next prime (561411479).

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

It is not a de Polignac number, because 561411461 - 2²⁶ = 494302597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561411421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7541 + ... + 34346.

It is an arithmetic number, because the mean of its divisors is an integer number (75649728).

Almost surely, 2^561411461 is an apocalyptic number.

It is an amenable number.

561411461 is a deficient number, since it is larger than the sum of its proper divisors (43786363).

561411461 is a wasteful number, since it uses less digits than its factorization.

561411461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42931.

The product of its digits is 2880, while the sum is 29.

The square root of 561411461 is about 23694.1229210959. The cubic root of 561411461 is about 824.9489829487.

The spelling of 561411461 in words is "five hundred sixty-one million, four hundred eleven thousand, four hundred sixty-one".