561018479 has 8 divisors (see below), whose sum is σ = 678879648. Its totient is φ = 452586240.

The previous prime is 561018401. The next prime is 561018481. The reversal of 561018479 is 974810165.

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

It is not a de Polignac number, because 561018479 - 2⁸ = 561018223 is a prime.

It is a super-3 number, since 3×561018479³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561098479) 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, 2357102 + ... + 2357339.

It is an arithmetic number, because the mean of its divisors is an integer number (84859956).

Almost surely, 2^561018479 is an apocalyptic number.

561018479 is a deficient number, since it is larger than the sum of its proper divisors (117861169).

561018479 is a wasteful number, since it uses less digits than its factorization.

561018479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714465.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 561018479 is about 23685.8286534375. The cubic root of 561018479 is about 824.7564528726.

The spelling of 561018479 in words is "five hundred sixty-one million, eighteen thousand, four hundred seventy-nine".