563453426 has 4 divisors (see below), whose sum is σ = 845180142. Its totient is φ = 281726712.

The previous prime is 563453399. The next prime is 563453453. The reversal of 563453426 is 624354365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (563453399) and next prime (563453453).

It can be written as a sum of positive squares in only one way, i.e., 544522225 + 18931201 = 23335^2 + 4351^2 .

It is a super-3 number, since 3×563453426³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 563453426.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140863355 + ... + 140863358.

Almost surely, 2^563453426 is an apocalyptic number.

563453426 is a deficient number, since it is larger than the sum of its proper divisors (281726716).

563453426 is a wasteful number, since it uses less digits than its factorization.

563453426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281726715.

The product of its digits is 259200, while the sum is 38.

The square root of 563453426 is about 23737.1739261438. The cubic root of 563453426 is about 825.9479405618.

The spelling of 563453426 in words is "five hundred sixty-three million, four hundred fifty-three thousand, four hundred twenty-six".