561225235 has 8 divisors (see below), whose sum is σ = 679430880. Its totient is φ = 445006464.

The previous prime is 561225229. The next prime is 561225239. The reversal of 561225235 is 532522165.

It is a happy number.

561225235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 561225235 - 2⁷ = 561225107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561225197 and 561225206.

It is not an unprimeable number, because it can be changed into a prime (561225239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496095 + ... + 497224.

It is an arithmetic number, because the mean of its divisors is an integer number (84928860).

Almost surely, 2^561225235 is an apocalyptic number.

561225235 is a deficient number, since it is larger than the sum of its proper divisors (118205645).

561225235 is a wasteful number, since it uses less digits than its factorization.

561225235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993437.

The product of its digits is 18000, while the sum is 31.

The square root of 561225235 is about 23690.1928020858. The cubic root of 561225235 is about 824.8577581521.

The spelling of 561225235 in words is "five hundred sixty-one million, two hundred twenty-five thousand, two hundred thirty-five".