561592 has 8 divisors (see below), whose sum is σ = 1053000. Its totient is φ = 280792.

The previous prime is 561559. The next prime is 561599. The reversal of 561592 is 295165.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 561592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35092 + ... + 35107.

It is an arithmetic number, because the mean of its divisors is an integer number (131625).

2⁵⁶¹⁵⁹² is an apocalyptic number.

It is an amenable number.

561592 is a deficient number, since it is larger than the sum of its proper divisors (491408).

561592 is a wasteful number, since it uses less digits than its factorization.

561592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70205 (or 70201 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 561592 is about 749.3944221837. The cubic root of 561592 is about 82.5037402651.

The spelling of 561592 in words is "five hundred sixty-one thousand, five hundred ninety-two".