563139 has 8 divisors (see below), whose sum is σ = 834320. Its totient is φ = 375408.

The previous prime is 563131. The next prime is 563149. The reversal of 563139 is 931365.

563139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 563139 - 2³ = 563131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20857 = 563139 / (5 + 6 + 3 + 1 + 3 + 9).

It is a Duffinian number.

563139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (563131) 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, 10402 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (104290).

2⁵⁶³¹³⁹ is an apocalyptic number.

563139 is a deficient number, since it is larger than the sum of its proper divisors (271181).

563139 is a wasteful number, since it uses less digits than its factorization.

563139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866 (or 20860 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 563139 is about 750.4258790847. The cubic root of 563139 is about 82.5794276380.

The spelling of 563139 in words is "five hundred sixty-three thousand, one hundred thirty-nine".