561410542 has 48 divisors (see below), whose sum is σ = 1115171712. Its totient is φ = 209212080.

The previous prime is 561410501. The next prime is 561410599. The reversal of 561410542 is 245014165.

It is a self number, because there is not a number n which added to its sum of digits gives 561410542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13473 + ... + 36115.

It is an arithmetic number, because the mean of its divisors is an integer number (23232744).

Almost surely, 2^561410542 is an apocalyptic number.

561410542 is a deficient number, since it is larger than the sum of its proper divisors (553761170).

561410542 is a wasteful number, since it uses less digits than its factorization.

561410542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22693 (or 22686 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 561410542 is about 23694.1035280932. The cubic root of 561410542 is about 824.9485328163.

The spelling of 561410542 in words is "five hundred sixty-one million, four hundred ten thousand, five hundred forty-two".