561417 has 4 divisors (see below), whose sum is σ = 748560. Its totient is φ = 374276.

The previous prime is 561409. The next prime is 561419. The reversal of 561417 is 714165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561417 - 2³ = 561409 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (561419) 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, 93567 + ... + 93572.

It is an arithmetic number, because the mean of its divisors is an integer number (187140).

2⁵⁶¹⁴¹⁷ is an apocalyptic number.

It is an amenable number.

561417 is a deficient number, since it is larger than the sum of its proper divisors (187143).

561417 is a wasteful number, since it uses less digits than its factorization.

561417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187142.

The product of its digits is 840, while the sum is 24.

The square root of 561417 is about 749.2776521424. The cubic root of 561417 is about 82.4951695978.

The spelling of 561417 in words is "five hundred sixty-one thousand, four hundred seventeen".