561323452 has 6 divisors (see below), whose sum is σ = 982316048. Its totient is φ = 280661724.

The previous prime is 561323443. The next prime is 561323453. The reversal of 561323452 is 254323165.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561323453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70165428 + ... + 70165435.

Almost surely, 2^561323452 is an apocalyptic number.

It is an amenable number.

561323452 is a deficient number, since it is larger than the sum of its proper divisors (420992596).

561323452 is a wasteful number, since it uses less digits than its factorization.

561323452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140330867 (or 140330865 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 561323452 is about 23692.2656578049. The cubic root of 561323452 is about 824.9058733139.

The spelling of 561323452 in words is "five hundred sixty-one million, three hundred twenty-three thousand, four hundred fifty-two".