561342324 has 48 divisors (see below), whose sum is σ = 1368686592. Its totient is φ = 178724832.

The previous prime is 561342319. The next prime is 561342361. The reversal of 561342324 is 423243165.

It is a junction number, because it is equal to n+sod(n) for n = 561342291 and 561342300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336717 + ... + 338379.

It is an arithmetic number, because the mean of its divisors is an integer number (28514304).

Almost surely, 2^561342324 is an apocalyptic number.

It is an amenable number.

561342324 is an abundant number, since it is smaller than the sum of its proper divisors (807344268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561342324 is a wasteful number, since it uses less digits than its factorization.

561342324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2914 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 561342324 is about 23692.6639278913. The cubic root of 561342324 is about 824.9151178051.

Adding to 561342324 its reverse (423243165), we get a palindrome (984585489).

The spelling of 561342324 in words is "five hundred sixty-one million, three hundred forty-two thousand, three hundred twenty-four".