561268614 has 32 divisors (see below), whose sum is σ = 1167505920. Its totient is φ = 179723232.

The previous prime is 561268613. The next prime is 561268657. The reversal of 561268614 is 416862165.

It is a happy number.

It is a super-2 number, since 2×561268614² = 630044914122961992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561268613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537 + ... + 33539.

It is an arithmetic number, because the mean of its divisors is an integer number (36484560).

Almost surely, 2^561268614 is an apocalyptic number.

561268614 is an abundant number, since it is smaller than the sum of its proper divisors (606237306).

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

561268614 is a wasteful number, since it uses less digits than its factorization.

561268614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32124.

The product of its digits is 69120, while the sum is 39.

The square root of 561268614 is about 23691.1083320304. The cubic root of 561268614 is about 824.8790096216.

The spelling of 561268614 in words is "five hundred sixty-one million, two hundred sixty-eight thousand, six hundred fourteen".