1063040561 has 8 divisors (see below), whose sum is σ = 1197090048. Its totient is φ = 935226000.

The previous prime is 1063040543. The next prime is 1063040591. The reversal of 1063040561 is 1650403601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1063040561 - 2¹⁴ = 1063024177 is a prime.

It is a super-2 number, since 2×1063040561² = 2260110468662389442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063040561.

It is not an unprimeable number, because it can be changed into a prime (1063040591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558370 + ... + 1559051.

It is an arithmetic number, because the mean of its divisors is an integer number (149636256).

Almost surely, 2^1063040561 is an apocalyptic number.

1063040561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1063040561 is a deficient number, since it is larger than the sum of its proper divisors (134049487).

1063040561 is a wasteful number, since it uses less digits than its factorization.

1063040561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117463.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1063040561 is about 32604.3027988638. The cubic root of 1063040561 is about 1020.5867958318.

It can be divided in two parts, 1063040 and 561, that added together give a palindrome (1063601).

The spelling of 1063040561 in words is "one billion, sixty-three million, forty thousand, five hundred sixty-one".