561460133 has 4 divisors (see below), whose sum is σ = 604649388. Its totient is φ = 518270880.

The previous prime is 561460099. The next prime is 561460147. The reversal of 561460133 is 331064165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 271030369 + 290429764 = 16463^2 + 17042^2 .

It is a cyclic number.

It is not a de Polignac number, because 561460133 - 2⁶ = 561460069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561460096 and 561460105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561460433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21594608 + ... + 21594633.

It is an arithmetic number, because the mean of its divisors is an integer number (151162347).

Almost surely, 2^561460133 is an apocalyptic number.

It is an amenable number.

561460133 is a deficient number, since it is larger than the sum of its proper divisors (43189255).

561460133 is a wasteful number, since it uses less digits than its factorization.

561460133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43189254.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 561460133 is about 23695.1499889745. The cubic root of 561460133 is about 824.9728221228.

The spelling of 561460133 in words is "five hundred sixty-one million, four hundred sixty thousand, one hundred thirty-three".