561415 has 8 divisors (see below), whose sum is σ = 688320. Its totient is φ = 439392.

The previous prime is 561409. The next prime is 561419. The reversal of 561415 is 514165.

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 561415 - 2¹¹ = 559367 is a prime.

561415 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (86040).

2⁵⁶¹⁴¹⁵ is an apocalyptic number.

561415 is a deficient number, since it is larger than the sum of its proper divisors (126905).

561415 is a wasteful number, since it uses less digits than its factorization.

561415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

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

The square root of 561415 is about 749.2763175224. The cubic root of 561415 is about 82.4950716370.

The spelling of 561415 in words is "five hundred sixty-one thousand, four hundred fifteen".