563785373 has 4 divisors (see below), whose sum is σ = 563847420. Its totient is φ = 563723328.

The previous prime is 563785367. The next prime is 563785393. The reversal of 563785373 is 373587365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 197177764 + 366607609 = 14042^2 + 19147^2 .

It is a cyclic number.

It is not a de Polignac number, because 563785373 - 2⁴ = 563785357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563785393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14438 + ... + 36551.

It is an arithmetic number, because the mean of its divisors is an integer number (140961855).

Almost surely, 2^563785373 is an apocalyptic number.

It is an amenable number.

563785373 is a deficient number, since it is larger than the sum of its proper divisors (62047).

563785373 is a wasteful number, since it uses less digits than its factorization.

563785373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62046.

The product of its digits is 1587600, while the sum is 47.

The square root of 563785373 is about 23744.1650305923. The cubic root of 563785373 is about 826.1101054692.

The spelling of 563785373 in words is "five hundred sixty-three million, seven hundred eighty-five thousand, three hundred seventy-three".