561225296 has 10 divisors (see below), whose sum is σ = 1087374042. Its totient is φ = 280612640.

The previous prime is 561225289. The next prime is 561225307. The reversal of 561225296 is 692522165.

It can be written as a sum of positive squares in only one way, i.e., 383376400 + 177848896 = 19580^2 + 13336^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17538275 + ... + 17538306.

Almost surely, 2^561225296 is an apocalyptic number.

It is an amenable number.

561225296 is a deficient number, since it is larger than the sum of its proper divisors (526148746).

561225296 is a wasteful number, since it uses less digits than its factorization.

561225296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35076589 (or 35076583 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 561225296 is about 23690.1940895384. The cubic root of 561225296 is about 824.8577880369.

The spelling of 561225296 in words is "five hundred sixty-one million, two hundred twenty-five thousand, two hundred ninety-six".