563251 has 8 divisors (see below), whose sum is σ = 623504. Its totient is φ = 505440.

The previous prime is 563249. The next prime is 563263. The reversal of 563251 is 152365.

It is a happy number.

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

It is not a de Polignac number, because 563251 - 2¹ = 563249 is a prime.

It is the 751-st Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563051) by changing a digit.

It is a nontrivial repunit in base 750.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (77938).

2⁵⁶³²⁵¹ is an apocalyptic number.

563251 is a deficient number, since it is larger than the sum of its proper divisors (60253).

563251 is a wasteful number, since it uses less digits than its factorization.

563251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 900, while the sum is 22.

The square root of 563251 is about 750.5004996667. The cubic root of 563251 is about 82.5849018831.

The spelling of 563251 in words is "five hundred sixty-three thousand, two hundred fifty-one".