561854252 has 6 divisors (see below), whose sum is σ = 983244948. Its totient is φ = 280927124.

The previous prime is 561854243. The next prime is 561854257. The reversal of 561854252 is 252458165.

It is not an unprimeable number, because it can be changed into a prime (561854257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70231778 + ... + 70231785.

It is an arithmetic number, because the mean of its divisors is an integer number (163874158).

Almost surely, 2^561854252 is an apocalyptic number.

It is an amenable number.

561854252 is a deficient number, since it is larger than the sum of its proper divisors (421390696).

561854252 is a wasteful number, since it uses less digits than its factorization.

561854252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140463567 (or 140463565 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 561854252 is about 23703.4649787747. The cubic root of 561854252 is about 825.1658078737.

The spelling of 561854252 in words is "five hundred sixty-one million, eight hundred fifty-four thousand, two hundred fifty-two".