561341763 has 12 divisors (see below), whose sum is σ = 832741728. Its totient is φ = 364113360.

The previous prime is 561341761. The next prime is 561341771. The reversal of 561341763 is 367143165.

561341763 is a `hidden beast` number, since 561 + 34 + 1 + 7 + 63 = 666.

It is not a de Polignac number, because 561341763 - 2¹ = 561341761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561341761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842523 + ... + 843188.

It is an arithmetic number, because the mean of its divisors is an integer number (69395144).

Almost surely, 2^561341763 is an apocalyptic number.

561341763 is a deficient number, since it is larger than the sum of its proper divisors (271399965).

561341763 is a wasteful number, since it uses less digits than its factorization.

561341763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685754 (or 1685751 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 561341763 is about 23692.6520887806. The cubic root of 561341763 is about 824.9148430010.

The spelling of 561341763 in words is "five hundred sixty-one million, three hundred forty-one thousand, seven hundred sixty-three".