561342334 has 24 divisors (see below), whose sum is σ = 985522248. Its totient is φ = 239092560.

The previous prime is 561342319. The next prime is 561342361. The reversal of 561342334 is 433243165.

It is a junction number, because it is equal to n+sod(n) for n = 561342296 and 561342305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1597 + ... + 33544.

It is an arithmetic number, because the mean of its divisors is an integer number (41063427).

Almost surely, 2^561342334 is an apocalyptic number.

561342334 is a deficient number, since it is larger than the sum of its proper divisors (424179914).

561342334 is a wasteful number, since it uses less digits than its factorization.

561342334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35320 (or 35313 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 561342334 is about 23692.6641389271. The cubic root of 561342334 is about 824.9151227036.

Adding to 561342334 its reverse (433243165), we get a palindrome (994585499).

The spelling of 561342334 in words is "five hundred sixty-one million, three hundred forty-two thousand, three hundred thirty-four".