566551253 has 4 divisors (see below), whose sum is σ = 596369760. Its totient is φ = 536732748.

The previous prime is 566551213. The next prime is 566551261. The reversal of 566551253 is 352155665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 566551253 - 2⁶ = 566551189 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 (566551213) 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, 14909225 + ... + 14909262.

It is an arithmetic number, because the mean of its divisors is an integer number (149092440).

Almost surely, 2^566551253 is an apocalyptic number.

It is an amenable number.

566551253 is a deficient number, since it is larger than the sum of its proper divisors (29818507).

566551253 is a wasteful number, since it uses less digits than its factorization.

566551253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29818506.

The product of its digits is 135000, while the sum is 38.

The square root of 566551253 is about 23802.3371331472. The cubic root of 566551253 is about 827.4588427366.

The spelling of 566551253 in words is "five hundred sixty-six million, five hundred fifty-one thousand, two hundred fifty-three".