561541038 has 16 divisors (see below), whose sum is σ = 1124623056. Its totient is φ = 186923520.

The previous prime is 561541009. The next prime is 561541069. The reversal of 561541038 is 830145165.

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 7 ways as a sum of consecutive naturals, for example, 59443 + ... + 68238.

It is an arithmetic number, because the mean of its divisors is an integer number (70288941).

Almost surely, 2^561541038 is an apocalyptic number.

561541038 is an abundant number, since it is smaller than the sum of its proper divisors (563082018).

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

561541038 is a wasteful number, since it uses less digits than its factorization.

561541038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128419.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 561541038 is about 23696.8571333837. The cubic root of 561541038 is about 825.0124457259.

The spelling of 561541038 in words is "five hundred sixty-one million, five hundred forty-one thousand, thirty-eight".