561262 has 8 divisors (see below), whose sum is σ = 906696. Its totient is φ = 259032.

The previous prime is 561251. The next prime is 561277. The reversal of 561262 is 262165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

561262 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10768 + ... + 10819.

It is an arithmetic number, because the mean of its divisors is an integer number (113337).

2⁵⁶¹²⁶² is an apocalyptic number.

561262 is a deficient number, since it is larger than the sum of its proper divisors (345434).

561262 is a wasteful number, since it uses less digits than its factorization.

561262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21602.

The product of its digits is 720, while the sum is 22.

The square root of 561262 is about 749.1742120495. The cubic root of 561262 is about 82.4875769479.

The spelling of 561262 in words is "five hundred sixty-one thousand, two hundred sixty-two".