561702 has 16 divisors (see below), whose sum is σ = 1131840. Its totient is φ = 185832.

The previous prime is 561667. The next prime is 561703. The reversal of 561702 is 207165.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561703) by changing a digit.

561702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 813 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (70740).

2⁵⁶¹⁷⁰² is an apocalyptic number.

561702 is an abundant number, since it is smaller than the sum of its proper divisors (570138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561702 is a wasteful number, since it uses less digits than its factorization.

561702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 561702 is about 749.4678111834. The cubic root of 561702 is about 82.5091266304.

Adding to 561702 its reverse (207165), we get a palindrome (768867).

The spelling of 561702 in words is "five hundred sixty-one thousand, seven hundred two".