561064363 has 8 divisors (see below), whose sum is σ = 581870880. Its totient is φ = 540355200.

The previous prime is 561064303. The next prime is 561064423. The reversal of 561064363 is 363460165.

It is an interprime number because it is at equal distance from previous prime (561064303) and next prime (561064423).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561064363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561064303) 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, 12495 + ... + 35752.

It is an arithmetic number, because the mean of its divisors is an integer number (72733860).

Almost surely, 2^561064363 is an apocalyptic number.

561064363 is a deficient number, since it is larger than the sum of its proper divisors (20806517).

561064363 is a wasteful number, since it uses less digits than its factorization.

561064363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48677.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 561064363 is about 23686.7972296805. The cubic root of 561064363 is about 824.7789370360.

The spelling of 561064363 in words is "five hundred sixty-one million, sixty-four thousand, three hundred sixty-three".