561453652 has 12 divisors (see below), whose sum is σ = 993584340. Its totient is φ = 277572416.

The previous prime is 561453649. The next prime is 561453653. The reversal of 561453652 is 256354165.

It can be written as a sum of positive squares in 2 ways, for example, as 80353296 + 481100356 = 8964^2 + 21934^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561453653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788203 + ... + 788914.

It is an arithmetic number, because the mean of its divisors is an integer number (82798695).

Almost surely, 2^561453652 is an apocalyptic number.

It is an amenable number.

561453652 is a deficient number, since it is larger than the sum of its proper divisors (432130688).

561453652 is a wasteful number, since it uses less digits than its factorization.

561453652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577210 (or 1577208 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 561453652 is about 23695.0132306357. The cubic root of 561453652 is about 824.9696478579.

The spelling of 561453652 in words is "five hundred sixty-one million, four hundred fifty-three thousand, six hundred fifty-two".